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P0301 Diagnostic Trouble Code Discussion for December 2012

Cylinder 1 Misfire Detected

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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
1999 Honda Accord LX 2.3L Misfire VIN: JHMCG5647X
P0301: Cylinder 1 Misfire Detected. This vehicle is very intermittant it occurs only on rare occasions missing and running rough to the point that it feels like a defective fuel pump or a restricted convertor because it loses power and surges heavily, i have replaced the wires,cap,rotor,plugs,iv...
December 05, 2012
2002 Honda Civic EX 1.7L Misfire, MIL Lamp on VIN: 1HGEM21992
P0301: Cylinder 1 misfire. ... little trouble with some misfire codes. The car first came in with codes P0300, P0301, P0302, P0303 and P0304 but the car ran fine no misfires. So we did the basic misfire diag fuel pressure, engine compression, ignition test etc. all seemed good. the valv...
December 10, 2012
2001 Honda CR-V EX 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLRD18681
P0301: Cylinder 1 Misfire Detected. ... from another tech. he did a tune up for missfire codes. I now am dealing with it. It missfires @ idle speeds driving or higher rpm its ok! I did some research & found that the timing belt was replaced @ dealer @ 100k miles. Fuel pressure is good, my fr...
December 17, 2012
2007 Chevrolet Aveo LS 1.6L Misfire, MIL Lamp on VIN: KL1TD56647
P0301: Cylinder 1 Misfire Detected. We have misfire codes set when driving under load at freeway speeds or heavy acceleration or possible deceleration after the heavy accel. When misfire codes set the engine runs fine and still has steady power. The scanner shows same amount of misfires on both ...
December 21, 2012
2002 Audi A6 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, VIN: WAUJT64B72
P0301: cyl 1 misfire. Car came in running rough with misfire codes. My gut told me to pull the plug off the mass airflow meter and the car immediately smoothed out. Plugged back in and it kept running smooth. Road test and parked until new Maf. Went to pull back in and running bad ...
December 28, 2012
2001 Lexus GS300 3.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: JT8BD69S51
P0301: Cylinder 1 Misfire Detected. Hey guys, I could really use your help here- this car is giving me a problem. I have inherited this car- I wasn't the tech initially involved. This car is from our dealer used lot. Car was brought to us for the CEL being on. Apparently the initial codes were...
December 28, 2012
2003 Dodge Ram 2500 Van 5.9L Cuts out, Misfire, MIL Lamp on
P0301: Cylinder 1 Misfire Detected. this is a van i am helping another shop with, at times under load above 190 degrees engine will cut out and back fire through intake, have scoped all sensors and ignition system at time of failure and all is steady, only thing that is odd at time of failure th...
December 29, 2012