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P0303 Diagnostic Trouble Code Discussion for September 2011

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2001 Honda Accord LX 3.0L Poor Idle Quality, MIL Lamp on VIN: 1HGCG22541
P0303: Cylinder 3 Misfire Detected. This Honda idles very poorly. Has random misfire code and misfire codes for all cylinders. All cylinders have 170psi compression and new spark plugs. Smoked out intake and found no vacuum leaks. Removed EGR valve, and made sure it was not stuck open. Even bloc...
September 02, 2011
2001 Honda Accord LX 3.0L Poor Idle Quality, MIL Lamp on VIN: 1HGCG22541
P0303: Cylinder 3 Misfire Detected. This Honda idles very poorly. Has random misfire code and misfire codes for all cylinders. All cylinders have 170psi compression and new spark plugs. Smoked out intake and found no vacuum leaks. Removed EGR valve, and made sure it was not stuck open. Even bloc...
September 07, 2011
2005 Mercedes-Benz SL500 5.0L MIL Lamp on VIN: WDBSK75F25
P0303: misfire number 3. hope some one can help me out this car had a junk yard mator installed cause they ran it though water here is the problem i have car runs good untill you get on the highway and go about 5 or so miles the ce light comes on and sets code po303 and shakes real ba...
September 08, 2011
1997 Ford Thunderbird LX 3.8L Hesitation, Misfire, MIL Lamp on VIN: 1FALP6245V
P0303: Cylinder 3 misfire. Thanks in advance for your help. I have a 97 t-bird with a constant misfire on cyl 3. The car came in initially with a ses light, codes stored for misfires on cylinders 1&2 and evap flow. Replaced the purge hose to the intake for the evap, replaced the cra...
September 09, 2011
2000 Ford Ranger XLT 4.0L Hesitation, Misfire VIN: 1FTZR15X6Y
P0303: testing and results. ... with lack of power and check engine light, pulled code p0303, tested compression, spark and fuel, even swapped plugs (motorcraft), wires, injectors to different holes still number three, using ids power balance found when pull number 1 injector wire number...
September 10, 2011
1995 Mercedes-Benz C280 2.8L Excessive Emissions, Misfire VIN: WDBHA28EXS
P0303: Missfire cyl 3. Hi yall, i have this Mercedes in my shop for a failed smog diagnosis, normally i do not work on Mercedes but this is for a good customer, for a California smog inspection the max hydrocarbons allowed is 100 ppm.. while monitoring the readings at idle i watched...
September 19, 2011
2002 Honda CR-V EX 2.4L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 123HJYJKHH
P0303: Cylinder 3 Misfire Detected. I don't know what i am missing here. If you try to hold the vehicle above idle it breaks up and pops almost like the timing is off. If you let the vehicle idle it idles good for about 10-15secs than stalls. Compression looks good. Cat is not clogged, it seems ...
September 21, 2011
2000 Toyota Celica GT 1.8L Hesitation, Misfire, MIL Lamp on VIN: JTDDR32T14
P0303: Cylinder 3 Misfire Detected. This vehicle has come in, customer complaining of MIL. Vehicle hesitates very badly under load and has very rough idle. Went ahead and swapped all the plus and coils around and cleared the MIL to isolate a cylinder, seems cylinder 3 is having the most misfires...
September 30, 2011
2001 Honda Accord LX 3.0L Poor Idle Quality, MIL Lamp on VIN: 1HGCG22541
P0303: Cylinder 3 Misfire Detected. This Honda idles very poorly. Has random misfire code and misfire codes for all cylinders. All cylinders have 170psi compression and new spark plugs. Smoked out intake and found no vacuum leaks. Removed EGR valve, and made sure it was not stuck open. Even bloc...
September 02, 2011
2001 Honda Accord LX 3.0L Poor Idle Quality, MIL Lamp on VIN: 1HGCG22541
P0303: Cylinder 3 Misfire Detected. This Honda idles very poorly. Has random misfire code and misfire codes for all cylinders. All cylinders have 170psi compression and new spark plugs. Smoked out intake and found no vacuum leaks. Removed EGR valve, and made sure it was not stuck open. Even bloc...
September 07, 2011
2005 Mercedes-Benz SL500 5.0L MIL Lamp on VIN: WDBSK75F25
P0303: misfire number 3. hope some one can help me out this car had a junk yard mator installed cause they ran it though water here is the problem i have car runs good untill you get on the highway and go about 5 or so miles the ce light comes on and sets code po303 and shakes real ba...
September 08, 2011
1997 Ford Thunderbird LX 3.8L Hesitation, Misfire, MIL Lamp on VIN: 1FALP6245V
P0303: Cylinder 3 misfire. Thanks in advance for your help. I have a 97 t-bird with a constant misfire on cyl 3. The car came in initially with a ses light, codes stored for misfires on cylinders 1&2 and evap flow. Replaced the purge hose to the intake for the evap, replaced the cra...
September 09, 2011
2000 Ford Ranger XLT 4.0L Hesitation, Misfire VIN: 1FTZR15X6Y
P0303: testing and results. ... with lack of power and check engine light, pulled code p0303, tested compression, spark and fuel, even swapped plugs (motorcraft), wires, injectors to different holes still number three, using ids power balance found when pull number 1 injector wire number...
September 10, 2011
1995 Mercedes-Benz C280 2.8L Excessive Emissions, Misfire VIN: WDBHA28EXS
P0303: Missfire cyl 3. Hi yall, i have this Mercedes in my shop for a failed smog diagnosis, normally i do not work on Mercedes but this is for a good customer, for a California smog inspection the max hydrocarbons allowed is 100 ppm.. while monitoring the readings at idle i watched...
September 19, 2011
2002 Honda CR-V EX 2.4L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 123HJYJKHH
P0303: Cylinder 3 Misfire Detected. I don't know what i am missing here. If you try to hold the vehicle above idle it breaks up and pops almost like the timing is off. If you let the vehicle idle it idles good for about 10-15secs than stalls. Compression looks good. Cat is not clogged, it seems ...
September 21, 2011
2000 Toyota Celica GT 1.8L Hesitation, Misfire, MIL Lamp on VIN: JTDDR32T14
P0303: Cylinder 3 Misfire Detected. This vehicle has come in, customer complaining of MIL. Vehicle hesitates very badly under load and has very rough idle. Went ahead and swapped all the plus and coils around and cleared the MIL to isolate a cylinder, seems cylinder 3 is having the most misfires...
September 30, 2011