P0300 Diagnostic Trouble Code Discussion for July 2015
Multiple Misfire Detected
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| Help Request | Posted | |
| 2007 Mazda CX-7 Touring 2.3L Misfire, MIL Lamp on VIN: JM3ER29L27 P0300: Random Misfire Detected. Thanks in advance to all Mazda Techs for any help you can give.I got stuck with this car after nobody in the shop could fix it,i apparently am having problems as well.Car came in with a #4 misfire and rough idle, 1st tech replaced egr valve and now idles good,... |
July 06, 2015 | |
| 2007 Mazda CX-7 Touring 2.3L Misfire, MIL Lamp on VIN: JM3ER29L27 P0300: Random Misfire Detected. Thanks in advance to all Mazda Techs for any help you can give.I got stuck with this car after nobody in the shop could fix it,i apparently am having problems as well.Car came in with a #4 misfire and rough idle, 1st tech replaced egr valve and now idles good,... |
July 08, 2015 | |
| 2005 Chevrolet Impala 3.4L Misfire VIN: 2G1WF52E15 P0300: Multiple Cylinder Misfire Detected. Vehicle came in for timing cover gasket leak. fixed leak but set check engine light for 18x crank sensor. Replaced crank sensor and did crank relearn, found it was broke during gasket repair. Still had the light on. Used scope and checked pattern for crank sen... |
July 10, 2015 | |
| 1999 Ford F53 6.8L Misfire VIN: 3FCNF53S0X P0300: Random multiple misfire. First of all this is my personal vehicle- in February of 2015 on way back from Daytona picked up misfire-CEL light came on- stopped and filled tank and proceeded to park motorhome in campground (where it would sit till April) scanned system PO302 came up- chan... |
July 11, 2015 | |
| 2002 Lexus ES300 3.0L MIL Lamp on VIN: JTHBF30G62 P0300: Multiple Cylinder Misfire Detected. Hello fellow techs. Thanks in advance for your help with this one. I am a gm tech but our parts manager has a 02 lexus es300. It had p0430 and p0430 and he needed to get it inspected. We ordered the catalytic converters from Lexus and they came in Saturday. On... |
July 12, 2015 | |
| 2001 GMC Savana 2500 5.7L Misfire, MIL Lamp on VIN: 1GTGG29R31 P0300: Multiple Cylinder Misfire Detected. This van started with a P0300 and P0335. Replaced the crank sensor and the P0335 seems to be gone but the P0300 remains. The only misfire that is recorded is for cylinder No.2, but it only records a random misfire P0300 code. The misfire only occurs between 13... |
July 13, 2015 | |
| 2002 Lexus ES300 3.0L MIL Lamp on VIN: JTHBF30G62 P0300: Multiple Cylinder Misfire Detected. Hello fellow techs. Thanks in advance for your help with this one. I am a gm tech but our parts manager has a 02 lexus es300. It had p0430 and p0430 and he needed to get it inspected. We ordered the catalytic converters from Lexus and they came in Saturday. On... |
July 14, 2015 | |
| 2011 Mini Cooper Countryman S ALL4 1.6L Cuts out, Misfire, MIL Lamp on VIN: WMWZC5C55B P0300: random misfire. On cold start up the Mini runs great. Plenty of power. When vehicle warms up, under a load, can feel a distinctive engine misfire, and lack of power on acceleration. This issue has slowly progressed to this point. Have been unable to locate any significant inf... |
July 14, 2015 | |
| 2005 Chevrolet Impala 3.4L Misfire VIN: 2G1WF52E15 P0300: Multiple Cylinder Misfire Detected. Vehicle came in for timing cover gasket leak. fixed leak but set check engine light for 18x crank sensor. Replaced crank sensor and did crank relearn, found it was broke during gasket repair. Still had the light on. Used scope and checked pattern for crank sen... |
July 15, 2015 | |
| 2005 Jeep Wrangler X 4.0L Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 1J4FA39S75 P0300: Multiple Cylinder Misfire Detected. ... miss/buck jerk, ck engine light on. Checked codes, had codes P0118, P0113, P0339, P0300, and P0306. Cleared codes and test drove, only P0118 and P0113 came back initially, then P0300. Monitored ect... |
July 15, 2015 | |
| 2006 Land Rover LR3 HSE 4.4L Misfire VIN: SALAG25416 Replaced timing chains, tensioners, intake camshaft sprockets for a clunky sound/noise on cold startups. This cured the noise but now i have low compression on bank 2. This vehicle had these faults and others before i replaced timing components. I have all nec... |
July 15, 2015 | |
| 2009 Dodge Grand Caravan SE 3.3L Hesitation, Cuts out, Stall, Misfire VIN: 2D8HN44E39 ... from a dead stop I floor it. Once it hit about 30-35 mph it started cutting out and the check engine light came on and the traction control light came on. At this point the codes that set where P0339,P0300,and P1128. Another tech drove the vehicle and only... |
July 16, 2015 | |
| 2005 Jeep Grand Cherokee Limited 5.7L Misfire, MIL Lamp on VIN: 1J4HR58295 P0300: Multiple Cylinder Misfire Detected. jeep came from another shop for misfire problem codes were 0300 1417 1411 and crank codes that were erased from other shop. at idle engine sounds strong but scanner shows miss fire on cyls 2 3 4 5 7 8 with cel flashing changed plugs wires no help driving on se... |
July 16, 2015 | |
| 2004 Chevrolet Impala 3.4L Poor Idle Quality, Misfire VIN: 2G1WF52E34 P0300: Multiple Cylinder Misfire Detected. ... arse like this in a while. This has a persistant but intermittent idle miss indicated on #2 cylinder but throws only a P0300 "random miss"(does it 70% of the time at idle. NO vacuum leaks using smoke machine. All new ignition wires and spark plugs ... |
July 20, 2015 | |
| 2007 Dodge Dakota SLT 4.7L Misfire VIN: 1D3HE48P77 P0300: Multiple Misfire Detected. Customer complaint was for a misfire/ severe chugging intermittently when warm. Test drive went well for 5 miles then started to miss and chug pretty bad. Returned to shop and watched for misfiring cylinders on Modis. All were counting some misfires but cylind... |
July 20, 2015 | |
| 2007 Dodge Dakota SLT 4.7L Misfire VIN: 1D3HE48P77 P0300: Multiple Misfire Detected. Customer complaint was for a misfire/ severe chugging intermittently when warm. Test drive went well for 5 miles then started to miss and chug pretty bad. Returned to shop and watched for misfiring cylinders on Modis. All were counting some misfires but cylind... |
July 21, 2015 | |
| 2010 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNLVFED0A P0300: Random misfire. ... issues and P0154, P0155, P0300, P0301 codes stored. Looking at PIDS with Tech 11 scan tool I see that B2 S1 and B1 S1 heater resistance readings are close to the same at 40,000 plus ohms. B1 S2 and B2 S2 are both 200 ohms ye... |
July 24, 2015 | |
| 2006 Audi A6 Quattro 4.2L Misfire, MIL Lamp on VIN: WAUEL74F46 P0300: multiple cyl missfire. After the scan and picking up all the missfire code we just replace all eight coils and spark plugs all from dealer. we repaired some vacuum leaks around mass air flow. replaced and repaired connectors on three coils #1#2#3 started car and now it has missfir... |
July 27, 2015 | |
| 1999 Volkswagen EuroVan MV 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WV2MH270XX P0300: random misfire. Hopefully someone out there can help with this headache. Things been eating my lunch for a couple of days now. Vehicle came in with a p0303 and p1215. So did all the prelim checks vacuum, fuel and spark. had good spark to #3 and fuel and vacuum were good als... |
July 28, 2015 | |
| 2001 GMC Safari SLE 4.3L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GKDM19W21 P0300: Multiple Cylinder Misfire Detected. Greetings ladies and gentlemen. Customer calls stating that his vehicle runs bad and think it is a misfire. We told him to tow it over so the cat doesn't get damaged. Vehicle arrived at shop shortly thereafter. Verified concern of rough running. While starti... |
July 29, 2015 | |
| 2001 GMC Safari SLE 4.3L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GKDM19W21 P0300: Multiple Cylinder Misfire Detected. Greetings ladies and gentlemen. Customer calls stating that his vehicle runs bad and think it is a misfire. We told him to tow it over so the cat doesn't get damaged. Vehicle arrived at shop shortly thereafter. Verified concern of rough running. While starti... |
July 30, 2015 | |
| 2005 Cadillac STS 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6DC67A85 P0300: Engine Misfire Detected. Random misfires, intermittently, when is misfiring B1 avg injector pulse is 3.5ms and B2 avg injector pulse is 7.3ms. Lambda values per bank are 1.250 and 0.950 not certain which value is for which bank. When problem is gone all values are close to each other ... |
July 31, 2015 |
