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P0303 Diagnostic Trouble Code Discussion for December 2012

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2008 Acura TL 3.2L No Start, Stall VIN: 19UUA66268
P0303: Misfire cyl 3. Vehicle died while driving, ck eng light came on. Would not start. Fuel pump is operating, we have spark but no fuel. It appears injectors are not functioning. When spraying into them, car starts up and idles fine. When turning key on, just cranks (even when r...
December 08, 2012
2002 Honda Civic EX 1.7L Misfire, MIL Lamp on VIN: 1HGEM21992
P0303: Cylinder 3 misfire. ... 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
2003 Ford Explorer XLT 4.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FM2472K13
P0303: Cylinder 3 Misfire. ... misfire, scan codes found P0303, spark pugs new,wires new, coil new,. check all those just to make sure nothing was installed incorrectly, verified injector pulse. Checked resistance and it was at the maximum so we replaced it. it got better but not 100%.c...
December 14, 2012
2003 Ford Explorer XLT 4.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FM2472K13
P0303: Cylinder 3 Misfire. ... misfire, scan codes found P0303, spark pugs new,wires new, coil new,. check all those just to make sure nothing was installed incorrectly, verified injector pulse. Checked resistance and it was at the maximum so we replaced it. it got better but not 100%.c...
December 17, 2012
2001 Honda CR-V EX 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLRD18681
P0303: Cylinder 3 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
2002 Audi A6 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, VIN: WAUJT64B72
P0303: cyl 3 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
P0303: Cylinder 3 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
2008 Acura TL 3.2L No Start, Stall VIN: 19UUA66268
P0303: Misfire cyl 3. Vehicle died while driving, ck eng light came on. Would not start. Fuel pump is operating, we have spark but no fuel. It appears injectors are not functioning. When spraying into them, car starts up and idles fine. When turning key on, just cranks (even when r...
December 08, 2012
2002 Honda Civic EX 1.7L Misfire, MIL Lamp on VIN: 1HGEM21992
P0303: Cylinder 3 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
2003 Ford Explorer XLT 4.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FM2472K13
P0303: Cylinder 3 Misfire. ... misfire, scan codes found P0303, spark pugs new,wires new, coil new,. check all those just to make sure nothing was installed incorrectly, verified injector pulse. Checked resistance and it was at the maximum so we replaced it. it got better but not 100%.c...
December 14, 2012
2003 Ford Explorer XLT 4.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FM2472K13
P0303: Cylinder 3 Misfire. ... misfire, scan codes found P0303, spark pugs new,wires new, coil new,. check all those just to make sure nothing was installed incorrectly, verified injector pulse. Checked resistance and it was at the maximum so we replaced it. it got better but not 100%.c...
December 17, 2012
2001 Honda CR-V EX 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLRD18681
P0303: Cylinder 3 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
2002 Audi A6 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, VIN: WAUJT64B72
P0303: cyl 3 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
P0303: Cylinder 3 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