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P0301 Diagnostic Trouble Code Discussion for May 2010

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2003 Nissan Sentra XE 1.8L Poor Idle Quality, Misfire, MIL Lamp on
P0301: Cylinder 1 Misfire Detected. this car was towed in with a p0301 misfire code. we thought it would be simple. changed plugs swapped coils and scoped coils and injectors.all four injectors have good waveforms. all four coils have good waveforms. performed running compression test and relati...
May 01, 2010
1999 Audi A6 2.8L Misfire, MIL Lamp on VIN: WAUBA24B3X
i have a 99 a6 is missing in bank one all cylinders i have pull the codes p1300 missfire possible cause low fuel p301 p302 p303 all missfires are on bank 1 good compression new plugs new wires and swap injectors to the other bank still missfire all bank one
May 04, 2010
2000 Dodge Ram 1500 Van 3.9L Cuts out, Misfire, MIL Lamp on VIN: 2B6HB11X6Y
P0301: Cylinder 1 Misfire Detected. ... is pretty cool so far but I'm the one who is losing it. I got this '00 Ram Van 3.9L A/T that when at cruise @ about 70mph ocasionaly it will start to what fells like a misfire, not continuously but off and on, and sometimes when he is backing out of his dr...
May 07, 2010
2006 Hyundai Sonata GLS 3.3L Cuts out, Misfire, MIL Lamp on VIN: 5NPEU46FX6
P0301: Cylinder 1 Misfire Detected. ... and he had a misfire, that was very intermittent. He put in new spark plugs, and the car seemed fine, in fact he drove to Florida and back with no problems (3000 miles). Now that he is back the car started to miss again, and the SES is now on with a P0300,...
May 10, 2010
2005 Volkswagen Beetle GLS 1.8L Misfire, MIL Lamp on VIN: 3VWCD31Y05
P0301: Intermittent misfire. Vehicle came in with MIL lamp on. Found misfire codes stored in computer. Knowing the coil packs had been replaced with the newly designed VW coil packs, and with no performance issues found in any condition, we replaced the 4 plugs due to visable wear and cle...
May 11, 2010
2006 Jeep Commander (Truck) Limited 5.7L Misfire VIN: 1J8HG58266
P0301: Misfire 1 cyl. I am posting this for a friend. This vehicle has a intermittent misfire on #1 cylinder when cold. Seems like the colder it is, the worse it gets. It only happens on cold start and will last for 10-20 min then it's fine for the rest of the day. If it's warm out...
May 12, 2010
2001 Volkswagen Beetle GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWED21C01
First time post, here we go... This Volkswagen Beetle will run great off idle, never a light or concern. Idle is when the fun begins. After bringing engine to operating temp or after a hot soak, you pull up to a stop and the idle will pick up from 840 rpm to 1...
May 12, 2010
2003 Subaru Outback 2.5L MIL Lamp on VIN: 4S3BH67583
P0301: Cylinder 1 Misfire Detected. good morning subaru techs, I have a good one this morning. this vehicle came to me with a "runs really bad" complaint and engine light on. I couldn't even make it out of our lot before I turned around. scanned and found codes listed but it idles perfec...
May 14, 2010
2002 Jaguar X-Type 3.0L Misfire VIN: SAJEA53C32
P0301: Misfire detected cylinder 1. Good evening, We have this Jaguar in the shop that we just replaced the head gaskets on. All went well, timed the cam shafts per the procedure in Mitchell (as best as possible engine in car), started engine, sounds good but there is a rough idle, the check en...
May 18, 2010
1997 Ford F-150 XL 4.2L Poor Idle Quality, Misfire, noise and backfire VIN: 1FTDX1726V
P0301: Misfire 1 cylinder. Hi gang! Good accoutnbrought this vehicle in Monday with the complaint of noise, rough running and a bacfire under acceleration, retrieved code PO301 and a zeroed in on that cylinder, spark ok, injector being triggered, compresssion good and did clt and i twas...
May 19, 2010
2005 Ford F-150 Lariat 5.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1FTPX14505
P0301: misfire cyl. 1. This truck has a slightly rough idle,but runs great UNLESS you go on a long hard accel then misfire occurs and oxygen sensors go full lean bank 1 & 2.Fuel pressure stays at 30-39lbs,fuel pump duty cycle goes no higher than 29% and scanner fuel pressure rea...
May 19, 2010
1999 Honda Odyssey EX 3.5L Misfire, MIL Lamp on VIN: 621H572888
P0301: Cylinder 1 Misfire Detected. Have this honda odyssey misfire on all cylinders except for number 2. FF is stored for P0303 @753 RPM, ECT 203F, Closed Loop, Load 27.1% STFT 6.3% and LTFT 5.5%, TP 9.8% Misfire is constant @ idle and cruise, higher speed it'll clear up a little but still not...
May 20, 2010
1999 Honda Odyssey EX 3.5L Misfire, MIL Lamp on VIN: 621H572888
P0301: Cylinder 1 Misfire Detected. Have this honda odyssey misfire on all cylinders except for number 2. FF is stored for P0303 @753 RPM, ECT 203F, Closed Loop, Load 27.1% STFT 6.3% and LTFT 5.5%, TP 9.8% Misfire is constant @ idle and cruise, higher speed it'll clear up a little but still not...
May 21, 2010
1997 Kia Sportage 2.0L Misfire, MIL Lamp on VIN: KNDJA7236V
P0301: Cylinder 1 Misfire Detected. This Kia Sportage has no pulses on two injectors (#1 and #3) We are able to pulse injectors by grounding terminals at ECM connector. We checked CAM and Crank signals. Both signals are looking fine on scope. Crank signal is a clear sine wave while cam is a squa...
May 27, 2010
2004 Subaru Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BH67554
P0301: Cylinder 1 Misfire Detected. Out of town customer states all was well when car was parked for the evening. Next morning the car wouldn't crank. Tow svc. replaced faulty battery & asked if the car had been running so rough. Cust. says no & hits the road. Says car ran poorly & C...
May 30, 2010
2004 Subaru Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BH67554
P0301: Cylinder 1 Misfire Detected. Out of town customer states all was well when car was parked for the evening. Next morning the car wouldn't crank. Tow svc. replaced faulty battery & asked if the car had been running so rough. Cust. says no & hits the road. Says car ran poorly & C...
May 31, 2010