8L V8 Vortec engine started flashing a check engine light. Car has a rough idle. getting a Reduced Power Mode along with DTCs P0101, P0171, P0174, P0300 P1516, P1518, P2108 and P0300 P. What Does Code P0300 Mean? OBD II fault code P0300 is a generic code that is defined as “ Random/Multiple Cylinder Misfire Detected”, and is set when the PCM (Powertrain Control Module) detects either randomly misfiring cylinders, or misfires on multiple cylinders. When I went out after work it started but the engine was shaking like it had a misfire, and my check engine light was flashing. 2006 Chevy Colorado 3. The only reason I'm making a new topic for it is because all the posts/comments about this issue that I've seen are several years old. 97 chevy k1500 with 305, engine rebuilt by shop 60k ago, last few months only drove truck 4-5 times, last time driving gave p0306, new plugs, wires, cap, rotor, cleared code, now gives p0300, took intake apart removed spider, sprayed/scrubbed each injector and poppet with cleaner, but no way of cleaning the line between the injector and poppets. A P0300 diagnostic code indicates a random or multiple misfire. Working on a 2007 Chevy Tahoe with a 5. A P0302 code, for example, would tell you cylinder number two is misfiring. Es decir uno de los cilindros de nuestro motor esta fallando de forma aleatoria. Es posible que hayan bujías deficientes, o uno de sus cables tenga desgaste o esté roto. Barely idles, runs very rough, smooths out at higher rpm but still is missing. fault codes from P0000 to P0299 · Standard fault codes from P0300 to P0399 Chevrolet S10 (1995 - 2012) · Chevrolet Silverado Sierra (1999 - 2006). After clearing codes, will repeat consistantly. This stored Diagnostic Trouble Code (DTC P0420) is not definitive enough to just replace the parts based upon its’ indication. 2 P0300 rough idle and no acceleration power. The fault was cured by spraying Advanced Formula Gas Treatment into the intake system and then carrying out an extended road test. Hi my colorado check engine light is flashing and showing the P0300 code. The info in this article applies to the GM 2. 0 with 325000 miles on it and no previous problems all high way. 5L Inline 5 Cylinder Engine (VINs 8, 6 - RPOs LK5, L52) *For Engines Built Before and Including VIN Breakpoint 58261313 and Build Date 04/13/2005. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why. P0300 is a general and random misfire code, which means that the code is not going to tell you which cylinder is causing the misfire. Then it completely died on me at idle when pulling into a gas station. How to stop random engine misfire code P0300 with check engine light on. Rough idle with code P0300 (random misfire). OBD code P0300 means means the crank sensor is detecting random misfires. 7L conversion van. With a few simple tools, a little thought, and these tips, most enthusiasts can cure the engine misfires. P0302 CHEVROLET Tech Notes The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. P0301-P0306 would indicate which cylinder(s) are misfiring. For the I'm getting P0300 (only code). So this engine code article applies to Chevrolet, Ford, Nissan, Toyota, Dodge, Honda, GMC, etc. Fault not cured. Ok well I have replaced the down stream 02 sensor on the passengers side and cleared the code and it was fine. It also says the P0300 may be set because it detects excessive vibration, including out of balance tires, uneven brake lining wear, etc. ive got a 2002 chevy silverado 5. Several few weeks ago it started running rough at idle especially after warmup. 0L I've been reading for weeks on these humble forums about all the P0300 trouble codes. Forum discussion: PLEASE HELP!! Question regarding my 98 Astro van. ERROR CODE P0300 CHEVY. HELP! 15 Answers. CHEVROLET KALOS 2006 33K Engine misfire, engine management light on. 8L V8 Vortec engine started flashing a check engine light. My engine has a miss, but it would occasionally go away (and so would the engine light). Basically this P0300 code means that the the car's computer has detected that not all of the engine's cylinders are firing properly. I had a bad 02 sensor in bank 2 and I replaced it and cleared the codes but I still have the P0300 01 random engine misfire code. What Does the P0300 Code Mean? The P0300 Trouble Code indicates that one or more engine cylinder is misfiring. Today while driving my CEL came on so I got the car scanned. How to find a dead cylinder. P0300 and flashing check engine light 12 Answers. When spark plugs were removed, the bank 2 plugs are covered with soot. In this video we discover common causes for the codes P0300 and P0200 and learn a lesson about being more methodical in diagnosing these issues before clearing codes and erasing stored data. If the car idles rough, it could also be caused by an EGR or purge valve that is stuck open. A P0300 diagnostic code indicates a random or multiple misfire. Changed plugs/wires/coil/ICM with no result. 2005 Chevrolet 1500 5. Have code P0300, P0303, P0301, P0304 and P0305 misfire. I used a very long flat tip screw driver to pry off the wire connection/plug above the drive-shaft. My check engine light has been on for a while and I guess I've kind of been ignoring it. The only codes were P0300 and the cylinders 2 and 6 showed 58K of misfires. Es posible que hayan bujías deficientes, o uno de sus cables tenga desgaste o esté roto. P0300 is a general and random misfire code, which means that the code is not going to tell you which cylinder is causing the misfire. My 1997 Chevy Pickup has a service engine soon light and code P0300. The scanner read P0300 Random Misfire. Basic Concept: If bank 2 is acting up, I would check the restriction first in bank 2 catalytic converter. How to stop random engine misfire code P0300 with check engine light on. 5L 4WD I filled up tank and after 15 miles stalled while driving when trying to accelerating after an intersection,the truck suddenly would not accelerate, low RPMs with rough idle and stalled. 3 Throwing codes p0300 & p0455 1 Answer. Have replaced ignition coil, cap, rotor, plugs, plug wires, fuel pressure regulator, fuel filter. P0300 CHEVROLET Tech Notes The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring. 3L OBD Code P0300 01? I am wondering what else could be wrong with this truck. I had the same problem with my '04 aveo and finally figured it out!!! I got the run-around from 4 places before somebody diagnosed it right. Please let me know if anyone has had this code come up and what needed to be done to correct the problem. Codes P0303 and P0300 I am a owner of a 2015 Chevrolet Sonic LT 1. Can you suggest a course of action. The P0430 check engine light code, like P0420, means the catalyst system efficiency is below the required threshold. 8L Inline 4 Cylinder or 3. All other components were pass. Motor is running rough and had diagnostics ran at autozone. P0300 FIXXED!! no scanner necessary. What Does Code P0300 Mean? OBD II fault code P0300 is a generic code that is defined as “ Random/Multiple Cylinder Misfire Detected”, and is set when the PCM (Powertrain Control Module) detects either randomly misfiring cylinders, or misfires on multiple cylinders. The info in this article applies to the GM 2. com and affiliated sites. The truck actually ran really good. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why. With a few simple tools, a little thought, and these tips, most enthusiasts can cure the engine misfires. My wife's 2008 Chevy Equinox is throwing the P0300 trouble code. Chevy/Chevrolet Check Engine Light Questions. If the engine speed fluctuates enough to cause the Crankshaft Position ( CKP ) sensor signal to vary, the Engine Control Module ( ECM ) can determine that a misfire is occurring. P0300 code on 2001 Chevrolet Venture with 3. 0 with 325000 miles on it and no previous problems all high way. 2006 Cobalt LS 2. P0300 OBD-II Diagnostic Powertrain (P) Trouble Code Description P0300 OBD-II Trouble Code When a misfire occurs, engine speed will fluctuate. P0302 CHEVROLET Tech Notes The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Two things, I would like to identify what version of the Wrangler Unlimited I have. Next I replaced the MAF sensor and was able to clear that code and that stayed off as well but I am still getting a P0300 01 & 02 code and I can see and hear the engine still has a miss. P0300 is a general and random misfire code, which means that the code is not going to tell you which cylinder is causing the misfire. How to stop random engine misfire code P0300 with check engine light on. It cranks and starts with rough idle and vibration then stalls (after less than a minute), will not stay running. P0300 Misfire Code Help 4th Generation Camaros. I took truck to autozone and they told me cyl. Fuel system has no rust. 3L V8, about 180,000 miles. Working on a 2007 Chevy Tahoe with a 5. 7L P0300 submitted 6 The reason I attacked everything on the P0300 was because it was a random misfire. Yesterday on the way to work my 2000 Chevrolet Silverado 1500 4WD with the 4. Something is causing cylinders to misfire at random, which is a lot less cut and dry than a cylinder specific misfire code. those codes will alternate every time i erase codes. A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. ERROR CODE P0300 CHEVY. So this engine code article applies to Chevrolet, Ford, Nissan, Toyota, Dodge, Honda, GMC, etc. 1 and slightly on 8 tested for the following, Both upstream sensors mark rich. Forum discussion: PLEASE HELP!! Question regarding my 98 Astro van. Hi guys, I really need help I got a car 4 weeks ago I brought a car 03 Chevy Malibu Erase the fault code, drive the car, then see if a misfire code sets again. El fallo P0300 se produce cuando al realizar la diagnosis con nuestro scanner obd2 nos da un fallo aleatorio de un cilindro. The other two were much less. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. 0L Poor Idle Quality, Hesitation, Surge, Misfire VIN:. The complaint on this Blazer was that it had a misfire that was bad enough to make the tach jerk. I can feel the miss no doubt about it misfire PID at idle shows miss on cyl. p0300 code I am having the same issue now and i can't figure out what it is as well. P0300 is a general and random misfire code, which means that the code is not going to tell you which cylinder is causing the misfire. Rented a code reader from Auto parts store and I got a DTC of P0300 (Multiple Cyl misfie). Hi my colorado check engine light is flashing and showing the P0300 code. gm forum at Car Dealer Forums; I have a 1997 cavalier showing p0300 random misfire on cyl 1&4. Subject: Tick Noise And/or Misfires On AFM Cylinders 1 4 6 And/or 7 Models: 2008-2009 Buick LaCrosse, Allure (Canada Only) 2007 Buick Rainier 2007-2011 Cadillac Escalade 2010-2011 Chevrolet Camaro SS 2007-2011 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2006-2009 Chevrolet Trailblazer 2006-2009 Chevrolet Impala SS 2006-2007 Chevrolet Monte. You can plan local FSC meets in the Events Planning sub-forum and then tell us how it went in the Wrap Up sub-forum located inside. Chevy Express, GMC Savana, Cavalier, Silverado, others. vehicle does have a miss and it is definitely felt. DTC P0300 Random/Multiple Cylinder Misfire Detected DTC P0301 Cylinder 1 Misfire Detected DTC P0302 Cylinder 2 Misfire Detected DTC P0303 Cylinder 3 Misfire Detected DTC P0304 Cylinder 4 Misfire Detected DTC P0305 Cylinder 5 Misfire Detected DTC P0306 Cylinder 6 Misfire Detected CIRCUIT DESCRIPTION. See here for a step-by-step guide on how to diagnose and fix check engine light code P0300. SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes - 2014-2018 Cadillac Chevrolet GMC. 0 01 Denali. Trouble Code P0300 Chevy Cobalt I have an 04 Chevy Aveo. Chevy Check Engine Light Codes. Discuss 1997 2. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. The Crankshaft Position sensor is mounted through the side of the engine block at the rear of Bank 2 behind the starter assembly. Page 1 of 3: Troubleshooting and Diagnosing Trouble Codes: P0300, P301, P0302, P0303, P0304, P0305, P0306 on GM 3. When I went out after work it started but the engine was shaking like it had a misfire, and my check engine light was flashing. I drove this SUV for a few miles with no issues. OK, since then, I've run 2 tankfuls through and still getting the misfires. What Does Code P0300 Mean? OBD II fault code P0300 is a generic code that is defined as “ Random/Multiple Cylinder Misfire Detected”, and is set when the PCM (Powertrain Control Module) detects either randomly misfiring cylinders, or misfires on multiple cylinders. ERROR CODE P0300 CHEVY. Chevy Equinox P0300 Definition. P0300 P0420 P0300 is a I'm on a forum for the aveo trying to find answers and they vary from burnt valves to a bad ignition coil. See Also: P0300 Chevy OBDII Code. Chevy Traverse P0300, P0301, P0305 Codes for Random Misfire. Rented a code reader from Auto parts store and I got a DTC of P0300 (Multiple Cyl misfie). Could be the battery, MAP, plugs, O2 sensor(s), etc. i live in colorado in the mountains and it's pretty cold. 1995 Chevrolet Cavalier Engine and Engine Cooling TSB Details … 1996 Chevrolet Astro Engine and Engine Cooling TSB Details … 1996 Chevrolet Cavalier Engine and Engine Cooling TSB Details … 1996 Chevrolet Express Electrical System TSB Details …. Hi I just recently bought a 2005 Chevrolet 1500 4x4 with 5. 3L OBD Code P0300 01? I am wondering what else could be wrong with this truck. Had new plugs and wires changed before i got the truck. 3L ok it all started with my wife leaving the map light on and draining the batt. The only codes were P0300 and the cylinders 2 and 6 showed 58K of misfires. Forum discussion: PLEASE HELP!! Question regarding my 98 Astro van. i replaced spark plugs, spark plugs wires, PCV valve, EGR , Coil packs ( just for the ones missing) sea-foamed, checked compression and i still have the annoying code. It also says the P0300 may be set because it detects excessive vibration, including out of balance tires, uneven brake lining wear, etc. Motor is running rough and had diagnostics ran at autozone. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2. Then have the battery tested just to eliminate that. I had experienced a slightly rough idle previously (nothing serious) and had been unable to track it down. This can be caused by a rich or lean condition or possibly a problem with the crankshaft sensor, wiring, or the tone ring that the sensor watches. Could hear the starter turning but engine would not respond. Hello fellow malibu oweners! I had my boyfriend replace my plugs and wires yesterday, and now my car is running worse than it was before! We plugged it in to his scan tool and are now gettin the p0300 code, which is a random misfire. Engine misfire / fix !, P0300 random cylinder misfire. I drove this SUV for a few miles with no issues. Could be the battery, MAP, plugs, O2 sensor(s), etc. Chevy Truck Forum | GM Truck Club so i drove it to work then to the parts house on break and they told me it was p0300 multiple ramdon clyinder misfire. I've replaced the following: upstream OS, ignition module, plugs, wires, EVAP purge solenoid and gas cap. We got a P0300, but there was no evident misfire and found that the crankshaft position variation relearn procedure needed to be. 2006 Cobalt LS 2. wedding car rental , business men services 40 El Hegaz Street , Between Helioples & El Ma7kma square. Random/Multiple misfires doesn't really tell me much. If no leak are found the next step is to replace the spark plugs. 3 Throwing codes p0300 & p0455 1 Answer. Reason for Chevrolet Equinox P0300 and find the solution for the code Chevrolet Equinox P0300 , we'll give to how to fix Chevrolet Equinox P0300 trouble code problem. Fuel trims at idle and at cruise were in a fairly normal operating range of -5 to +9. 1 and slightly on 8 tested for the following, Both upstream sensors mark rich. 1996 Nissan Pathfinder LE Trouble Code P0300 - My Nissan Pathfinder failed the smog test because the check engine light came on during the test with trouble code P0300. Discussion in 'Chevy Traverse Forum (GMC Acadia, Buick Enclave)' started by ChevyFan, May 27, 2014. 4L Quad 4 SOLVED! Alero Car Forums My local Chevy dealer actually told me the engine was bad and it would cost between $3000 for a used. P0300 Random Misfire 2. Code P0300 - Mulitple/Random misfire. org, is the worlds largest automotive enthusiast group exclusively geared towards the General Motors GM J-car platform including the Chevrolet Cavalier, Pontiac Sunfire, Pontiac Sunbird, Pontiac J 2000, Oldsmobile Firenza, Buick SkyHawk and Cadillac Cimarron. These are the codes I got when Autozone checked it P0131, P0171, P0300 I have a 2005 Silverado, 5. Tried to restart. Fault not cured. My engine has a miss, but it would occasionally go away (and so would the engine light). After replacing the plugs and wires on the car it started to misfire badly. The complaint on this Blazer was that it had a misfire that was bad enough to make the tach jerk. Fuel system has no rust. Started my car and check engine light turned on with a severe shaking and idling problem. Tag: P0300 2007 GMC Yukon Multiple Misfires-Codes-P0300-P0352-P0354-P0356-P0358. 2005 Chevy Silverado, white on black. It's a "random multiple-cylinder misfire" code. the guy at autozone ran the code reader and came up with a code P0300 and it said something about misfiring. How to stop random engine misfire code P0300 with check engine light on. Yesterday on the way to work my 2000 Chevrolet Silverado 1500 4WD with the 4. Can you suggest a course of action. We recommend Torque Pro. 2006 Chevy Colorado 3. DTC P0300 Random/Multiple Cylinder Misfire Detected DTC P0301 Cylinder 1 Misfire Detected DTC P0302 Cylinder 2 Misfire Detected DTC P0303 Cylinder 3 Misfire Detected DTC P0304 Cylinder 4 Misfire Detected DTC P0305 Cylinder 5 Misfire Detected DTC P0306 Cylinder 6 Misfire Detected CIRCUIT DESCRIPTION. Something is causing cylinders to misfire at random, which is a lot less cut and dry than a cylinder specific misfire code. Hi I just recently bought a 2005 Chevrolet 1500 4x4 with 5. Our codes information will help you save money on unnecessary engine, transmission and abs codes repairs. gm forum at Car Dealer Forums; I have a 1997 cavalier showing p0300 random misfire on cyl 1&4. A P0302 code, for example, would tell you cylinder number two is misfiring. My car currently has about 108000 miles. So this engine code article applies to Chevrolet, Ford, Nissan, Toyota, Dodge, Honda, GMC, etc. Swapped #3 injector for #4 and miss followed injector. I have a 01 chevy cavalier z24 and i am having problems with the car idling it will idle harsh and die i hooked up my probe and it came back with 4 codes all pretty much saying misfire on cylinder 1 so i changed the Plugs/Boots then tried again same problem same code so then i changed the Ignition Coils and the Ignition coil module same problem. You would normally start by checking your Chevy Silverado fuel trim with a scan tool. My plugs and wires are in top condition (wires are Magnecor 8. Fuel trims at idle and at cruise were in a fairly normal operating range of -5 to +9. Forum discussion: PLEASE HELP!! Question regarding my 98 Astro van. 1997 Chevrolet S Series T Series Engine and Engine Cooling Consumer Complaints Details … 1997 Chevrolet S Series T Series Fuel Delivery System Consumer Complaints Details … 1997 Chevrolet S10 Ignition System Consumer Complaints Details …. Had new plugs and wires changed before i got the truck. the guy at autozone ran the code reader and came up with a code P0300 and it said something about misfiring. Update date. I had a rattle in my exhaust now im throwing p0101 and p0300 codes, i think its my cats trans wouldnt shift right, put the motor into limp mode at first not firing right. Malfunction Indicator Lamp (MIL) Illuminated with DTC P0300 Set - (Dec 12, 2017) Subject: Engine Misfire/Tick Noise, Malfunction Indicator Lamp (MIL) Illuminated, DTC P0300 Set Models: 2015-2018 Cadillac Escalade 2016-2018 Cadillac CTS-V 2014 Chevrolet Silverado 1500 2014-2018 Chevrolet Corvette 2015-2018 Chevrolet Silverado, Suburban, Tahoe. In this video we discover common causes for the codes P0300 and P0200 and learn a lesson about being more methodical in diagnosing these issues before clearing codes and erasing stored data. Bank 2 Code is a P0430. The only reason I'm making a new topic for it is because all the posts/comments about this issue that I've seen are several years old. 3L with 27000 miles. Model specific subject matter experts, classified ads and more. Upon inspection, a technician may find DTC P0300 set along with a misfire low compression in. P0300 Random Misfire 2. After running my scan tool it's showing a P0300 error code, random or multiple. Then have the battery tested just to eliminate that. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why. Engine may stumble or miss Engine may be hard to start you may notice no issues. If the last digit of the trouble code is not zero, for example, the code generated is P0302, the number 2 suggests that the cylinder number 2 is misfiring. When scanned showed random misfire P0300 code occurring. Code is p0300. The story I got was that her husband was driving to work when he heard a loud noise from under the hood accompanied by the oil light. Chevrolet Performance customers are responsible for ensuring their use of Chevrolet Performance Parts complies with applicable federal, state/provincial and local laws, regulations and ordinances, and for ensuring that modified vehicles are operated in a manner that complies with applicable laws. Today while driving my CEL came on so I got the car scanned. the guy at autozone ran the code reader and came up with a code P0300 and it said something about misfiring. Engine misfire / fix !, P0300 random cylinder misfire. Working on a 2007 Chevy Tahoe with a 5. Swapped #3 injector for #4 and miss followed injector. P0300 and flashing check engine light 12 Answers. Subject: Check Engine Light Illuminated, Engine Misfire, DTC P0300 Set (Replace Exhaust Valve Springsand Seals) Models: 2004-2005 Chevrolet Colorado 2004-2005 GMC Canyon. The only options when buying them new is the exterior and. Little or no improvement. Bank 2 Code is a P0430. Ok well I have replaced the down stream 02 sensor on the passengers side and cleared the code and it was fine. com Bulletin Board. P0300 Chevrolet Description When a misfire occurs, engine speed will fluctuate. Research the 2014 Chevrolet Malibu online at cars. - 05 Chevrolet Silverado - C1, C2 K1 and K2) and (00 - 05. Hi my colorado check engine light is flashing and showing the P0300 code. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. If no leak are found the next step is to replace the spark plugs. It also says the P0300 may be set because it detects excessive vibration, including out of balance tires, uneven brake lining wear, etc. Chevy Truck Forum. 7L conversion van. FIXD explains symptoms, causes, and severity of code P0300. Engine misfire / fix !, P0300 random cylinder misfire. I've replaced the following: upstream OS, ignition module, plugs, wires, EVAP purge solenoid and gas cap. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. Reason for Chevrolet Equinox P0300 and find the solution for the code Chevrolet Equinox P0300 , we'll give to how to fix Chevrolet Equinox P0300 trouble code problem. 3L V8, about 180,000 miles. Chevrolet Equinox P0300 OBD-II Diagnostic Powertrain (P) Trouble Code Information Page. Model specific subject matter experts, classified ads and more. Put it back into the non-working cobalt, engine turns over nicely but doesn't even try to start. OK, since then, I've run 2 tankfuls through and still getting the misfires. Tried to restart. I change out the ignition coil;fuel filter, wires,PVC,plugs,rotor & cap and air filter,clean thottle body check for vacuumm leaks. I have an 06 Cobalt LT. Hi I just recently bought a 2005 Chevrolet 1500 4x4 with 5. With a few simple tools, a little thought, and these tips, most enthusiasts can cure the engine misfires. i has a code P0300. The only options when buying them new is the exterior and. 3 Throwing codes p0300 & p0455 1 Answer. How to fix a random misfire in your car DIY with Scotty Kilmer. A P0300 diagnostic code indicates a random or multiple misfire. FIXD explains symptoms, causes, and severity of code P0300. Chevy Truck Forum. A continuación os ofrecemos algunos consejos para solucionarlo y saber el origen del fallo. anyone know if this just means i need to change. Started my car and check engine light turned on with a severe shaking and idling problem. Replaced plugs and wires and it ran briefly OK but misfired again after a few minutes. Spark Plug Failure Causing SES Code P0300 One thing I see quite a bit these days, is vehicles coming into the shop running badly, misfiring, check engine light code P0300 and getting very poor fuel economy. 2007 Silverado 2500HD Classic, 182,000 miles, 6. Subject: Check Engine Light Illuminated, Engine Misfire, DTC P0300 Set (Replace Exhaust Valve Springsand Seals) Models: 2004-2005 Chevrolet Colorado 2004-2005 GMC Canyon. Random/Multiple misfires doesn't really tell me much. Subject: Engine Misfire/Tick Noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 Set Models: 2015-2016 Cadillac Escalade 2016 Cadillac CTS-V 2014 Chevrolet Silverado 1500 2014-2016 Chevrolet Corvette 2015-2016 Chevrolet Silverado, Suburban, Tahoe 2016 Chevrolet Camaro 2014 GMC Sierra 1500 2015-2016 GMC Sierra, Yukon, Yukon XL. We have a 99 Tahoe that has a P0300 code and we have replaced the distributor, cap and rotor, the spark plugs and wires, camshaft position sensor, throttle position sensor map sensor, ignition coil, and the fuel injection spider unit (from the junk yard), the exhaust sytem and some other components as well. Random/Multiple misfires doesn't really tell me much. The Crankshaft Position sensor works in conjunction with a 24X reluctor wheel on the crankshaft. When spark plugs were removed, the bank 2 plugs are covered with soot. P0300 Diagnostic Trouble Code Discussion for April 2015 Multiple Misfire Detected * Note: This is a professional automotive technician's resource. DTC P0300 Random/Multiple Cylinder Misfire Detected DTC P0301 Cylinder 1 Misfire Detected DTC P0302 Cylinder 2 Misfire Detected DTC P0303 Cylinder 3 Misfire Detected DTC P0304 Cylinder 4 Misfire Detected DTC P0305 Cylinder 5 Misfire Detected DTC P0306 Cylinder 6 Misfire Detected CIRCUIT DESCRIPTION. 2006 Chevy Colorado 3. SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes – 2014-2018 Cadillac Chevrolet GMC. This particular vehicle is in need of some major engine repair. Hi I just recently bought a 2005 Chevrolet 1500 4x4 with 5. Chevy/Chevrolet Check Engine Light Questions. 4L engine Symptoms: Poor gas mileage together with rough idle rpm. Trouble Code P0300 Chevy Cobalt I have an 04 Chevy Aveo. Forum discussion: PLEASE HELP!! Question regarding my 98 Astro van. The Crankshaft Position sensor is mounted through the side of the engine block at the rear of Bank 2 behind the starter assembly. New member, looking for some insight here. 3L OBD Code P0300 01? I am wondering what else could be wrong with this truck. I change out the ignition coil;fuel filter, wires,PVC,plugs,rotor & cap and air filter,clean thottle body check for vacuumm leaks. 0 with 325000 miles on it and no previous problems all high way. this problem started right after i purchased this van. First of all that is the general guidelines that a technician will use to help diagnose P0300. FIXD explains symptoms, causes, and severity of code P0300. Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder. Chevy Truck Forum | GM Truck Club so i drove it to work then to the parts house on break and they told me it was p0300 multiple ramdon clyinder misfire. I had my buddy (Who works as GM mechanic) pull the codes and we only got back P0300 for random misfire, nothing else. This 2007 GMC Yukon came in with multiple complaints among which were the engine seemed to have no power, the Service Engine Soon, ABS and Traction lights were on and there was a stability message displayed in the Driver's Information Center (DIC). They can be very mysterious, and expensive if not addressed logically. The 2005 Chevrolet Trailblazer has 6 problems reported for misfire. 0l jeep : cylinder #1 misfire trouble code - jeep® yj, Hi moses, i have a small update on my Jeep Wrangler Oxygen. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why. My Chevy 2003 S10 V6 has code P0200 and P0300. This particular vehicle is in need of some major engine repair. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. Drove the car to work last Thursday morning and everything was working great. Subject: Tick Noise And/or Misfires On AFM Cylinders 1 4 6 And/or 7 Models: 2008-2009 Buick LaCrosse, Allure (Canada Only) 2007 Buick Rainier 2007-2011 Cadillac Escalade 2010-2011 Chevrolet Camaro SS 2007-2011 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2006-2009 Chevrolet Trailblazer 2006-2009 Chevrolet Impala SS 2006-2007 Chevrolet Monte. Infront Of KFC Heliolpes. I have an 06 Cobalt LT. 7L conversion van. Working on a 2007 Chevy Tahoe with a 5. Re: P0300 (Random Miss fire) on the Highway 07-29-05 05:11 AM - Post# 747804 In response to txtmblweed Yes, in front of the thermostat to the right. 3L engine, CMSFI. Code P0300 - Mulitple/Random misfire. I had a bad 02 sensor in bank 2 and I replaced it and cleared the codes but I still have the P0300 01 random engine misfire code. Motor is running rough and had diagnostics ran at autozone. Problem with my 1999 Chevrolet Monte Carlo. I read it and it was a P0300 Random/Multiple Misfire. DTC P0300 has been discussed in the following consumer complaints. Codes p0300 and p0455 were pulled up and the computer suggests an inta. Barely idles, runs very rough, smooths out at higher rpm but still is missing. Check Engine Light with a P0300 due to 2 - 4 cylinders misfiring on the same bank of the engine. The Crankshaft Position sensor is mounted through the side of the engine block at the rear of Bank 2 behind the starter assembly. 3L OBD Code P0300 01? I am wondering what else could be wrong with this truck. ive got a 2002 chevy silverado 5. This stored Diagnostic Trouble Code (DTC P0420) is not definitive enough to just replace the parts based upon its’ indication. Chevy/Chevrolet Check Engine Light Questions.