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P0301 Diagnostic Trouble Code Discussion for November 2006

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2002 Ford Ranger XL 2.3L Misfire, MIL Lamp on VIN: 1FTYR10D92
P0301: cyl 1 misfire. ... this 02 ranger 2.3l with a p0301. i cant find any useful info in mitchell as to how to figure out the cause of it. already tested for cyl compression, ok, leakdown ok, fuel trims under 10%, maf 2.5-3 g/s, coolant temp 200 degrees, map v. 1.2v, iac 46% (i t...
November 01, 2006
1999 Ford Ranger XL 2.5L Misfire, MIL Lamp on VIN: 1FTYR14C1X
P0301: misfire no.1 cylinder. ... so bare with me.I have this 1999 ford ranger in the shop and the MIL is on.It has a P0301 NO.1 cylinder misfire.Pulled the plug looks good.Ohm the ignition wire OK.Checked coil output OK.At 2000 rpm runs fine.Let the throttle go down to idle and the misfir...
November 02, 2006
1998 Volkswagen Golf GL 2.0L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3VWFA81HXW
P0301: Misfire cylinder 1. Car was towed in with crank but no start condition. There was no signal from engine speed sensor (crank sensor) and needed a tune-up. Replaced crank sensor, spark plugs, ignition wires, fuel filter, distributor cap, distributor rotor. The engine has a hard tim...
November 07, 2006
1999 Ford Expedition Eddie Bauer 4.6L lack of power VIN: 1FMRU1769X
P0301: cyl missfire. Vehicle has loss of power under accelaration.If I clear the codes they will return the same ones. The plugs look good. I put new wires on these cylinders did not make a difference. Checked compression it had 145 to 150 psi. At idle you can unplug the injectors...
November 10, 2006
2002 Toyota Tundra SR5 4.7L Misfire, MIL Lamp on VIN: 5TBBT44142
P0301: Cylinder 1 Misfire Detected. ... seemingly easy problem give me trouble. Truck came in with mil light on and code p0301. Roadtested truck and it had a definate one cylinder miss that shook the truck. Isolated the miss to no injector pulse on cyl #1. Red and black wire to injector is hot. ...
November 17, 2006
2000 Honda Accord EX 3.0L No Start, Misfire, MIL Lamp on VIN: 1HGCG1652Y
P0301: Cylinder 1 Misfire Detected. ... soak. She lets it sit for about 30 minutes to an hour, come out and start it wouldn't start. She said the MIL light was flashing and engine was barely running, low rpms. P0300, P0301, P0302, P0303, P0304, P0305, P0306. I rep...
November 20, 2006
2002 Toyota Tundra SR5 4.7L Misfire, MIL Lamp on VIN: 5TBBT44142
P0301: Cylinder 1 Misfire Detected. ... seemingly easy problem give me trouble. Truck came in with mil light on and code p0301. Roadtested truck and it had a definate one cylinder miss that shook the truck. Isolated the miss to no injector pulse on cyl #1. Red and black wire to injector is hot. ...
November 21, 2006
1996 Mercedes-Benz C280 2.8L Hesitation, Misfire, MIL Lamp on VIN: WDBHA28E9T
P0301: misfire cylinder 1. Vehicle came in not running. First two codes turned out to be the overvoltage protection relay faulty. The misfire codes showed up after driving the car for about 5 miles. We checked the secondary ignition and decided to replace the ignition wires and connecto...
November 22, 2006
2002 Subaru Impreza WRX 2.0L Misfire, MIL Lamp on VIN: JF1GD29642
P0301: Cylinder 1 Misfire Detected. I have never worked on one of these before and I feel lost. The owner said it has never been tuned so I thought that before I started trying to figure out what's wrong with it I should replace the spark plugs and fuel filter. Now for the first question: what d...
November 22, 2006