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P0301 Diagnostic Trouble Code Discussion for September 2007

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2001 Ford Mustang 3.8L Hesitation, Misfire, MIL Lamp on VIN: 1FAFP40461
P0301: Cyl 1 Misfire. ... to bounce my thoughts off some other techs... Came in for misfire and CEL. Pulled codes and found P1233-Fuel Pump Driver Mod Off Line. Checked Module and did not see any wire problems. Replaced Mod anyhow, no change. Reinstalled original mod. After resetin...
September 06, 2007
2004 Honda Accord EX 2.4L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1HGCM72654
P0301: Cylinder 1 Misfire Detected. This vehicle came in with a shorted battery and no fuel. Misfires were rampant until battery was changed and fuel added. The only codes that were held in memory were the P0300,301,302,303,and 304. This vehicle was being driven by a step child that basically ha...
September 11, 2007
2002 Saturn Vue 3.0L Hesitation, Misfire, MIL Lamp on VIN: 5GZCZ63B92
P0301: Cylinder 1 Misfire Detected. I am losing the battle so far with this Saturn Vue! First time in it had misfires on many cylinders, both banks, ran o.k., but I could feel a miss at idle occasionally. With all the miles I opted to replace plugs and do a compression check. While the plugs wer...
September 11, 2007
1998 Ford E-150 Econoline 4.2L Misfire VIN: 1FTRE1426W
P0301: 1 cyl. misfire. Hi this truck is driving us crazy, have been driving it on and off for days with no results. Customer says he will be cruising along when van will start to feel rough and check engine light will come on. These symptoms do not last long. At this point all three...
September 13, 2007
1999 Mercedes-Benz ML320 3.2L Hesitation, MIL Lamp on VIN: 4JGAB54E5X
P0301: Cylinder 1 misfire. Gentlemen this is a tuff one, this 99 Mercedes Benz ML320 has the check Eng light on.The owner complaint vehicle has no power. I took veh for test drive, accellerator feels like TPS is defective and when punch the accel to the floor the check eng light start ...
September 16, 2007
2006 Honda Civic EX 1.8L Misfire VIN: 2HGEFG1133
P0301: Cylinder 1 Misfire Detected. i just did a short block, clutch and flywheel on this car and now i have a misfire in #1 & #4 cylinder. all the sensors are hooked up. i swapped the outside coils with the inside one's to see if the misfire would change cylinders but it didn't, i changed t...
September 18, 2007
1996 Ford Windstar GL 3.8L Misfire, no fire on #1 VIN: 2FMDA5142T
P0301: misfire 1. ... the van is a friend's of the family, they said mil came on on a trip to the mountains and have recently had a tune-up done at the dealership. P0301 was present and freeze data showed 94% engine load, so i'm thinking wires. removed upper intake to check #1 ...
September 19, 2007
1997 Subaru Legacy Outback 2.5L Poor Idle Quality, Misfire VIN: 4S3BG6852V
P0301: Cylinder 1 Misfire Detected. Ok, this one has me pulling my hair out. If what I have been told is true, I'm either the 4th or 5th shop this car has been to. It was bought at auction after the first two, and was obviously there for a reason. This is a 2.5L to 2.2L conversion, and engine ha...
September 19, 2007
1997 Dodge Ram 1500 Laramie 5.2L rough idle, P0301 VIN: 1B7HF13Y3V
P0301: misfire cyl1. ... a flutter at idle and a p0301 that sets after a day under normal city driving conditions. This vehicle has 50 psi low compression in the #1 cyl compared to the other cyls. We've done a leak down test and are pretty sure that the exhaust valve is leaking. N...
September 20, 2007
1998 Isuzu Rodeo S 2.2L MIL Lamp on VIN: 4S2CK58DXW
P0301: Cylinder 1 Misfire Detected. check engine light comes on after reving for a minute or two at about 1500 to 2000 rpm. flashing. yet the truck is running smooth. long trim between -3 and 3. short trim about the same. could it be the cam or crank sensors? i don't have a data stream for neith...
September 20, 2007
2003 Land Rover Freelander SE 2.5L Misfire, MIL Lamp on VIN: SALNY22263
P0301: misfire cyl1. This vehicle towed in with the fault codes below.Engine idles fine on all 6 but the above 4 cylinders cut out upon acceleration.The injectors for 1,2,4 and 6 lose their pulse.I suspected that it was going into limp home but there are no other codes. Your help...
September 20, 2007
1998 Isuzu Rodeo S 2.2L MIL Lamp on VIN: 4S2CK58DXW
P0301: Cylinder 1 Misfire Detected. check engine light comes on after reving for a minute or two at about 1500 to 2000 rpm. flashing. yet the truck is running smooth. long trim between -3 and 3. short trim about the same. could it be the cam or crank sensors? i don't have a data stream for neith...
September 21, 2007
1997 Subaru Legacy Outback 2.5L Poor Idle Quality, Misfire VIN: 4S3BG6852V
P0301: Cylinder 1 Misfire Detected. Ok, this one has me pulling my hair out. If what I have been told is true, I'm either the 4th or 5th shop this car has been to. It was bought at auction after the first two, and was obviously there for a reason. This is a 2.5L to 2.2L conversion, and engine ha...
September 21, 2007
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWPD63B93
P0301: Misfire cyl 1. Hello eveyone; I got a head scratcher for me. I am getting multiple misfire codes on all cylinders. The Idle is bad and gets worse as the car warms up. The MIL flashes on idle. Once you start driving it will stumble a little but straighten out and drive fine u...
September 21, 2007
1996 Jaguar XJ6 4.0L Poor Idle Quality, Cuts out, Misfire VIN: SAJHX1741T
P0301: misfire 1 cylinder. Jag techs,I need your help.This car was towed in and only running on 3 cylinders.The problem is I do not have any fire on cylinders 1,2,3 no coil driver from ECU,verified using lab scope.Checked ECU from a known good car,no change.Also swapped all coils just i...
September 25, 2007
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWPD63B93
P0301: Misfire cyl 1. Hello eveyone; I got a head scratcher for me. I am getting multiple misfire codes on all cylinders. The Idle is bad and gets worse as the car warms up. The MIL flashes on idle. Once you start driving it will stumble a little but straighten out and drive fine u...
September 27, 2007