Join Now
International Automotive Technicians Network

P0303 Diagnostic Trouble Code Discussion for April 2008

Cylinder 3 Misfire Detected


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2002 Mercedes-Benz C240 2.6L Hesitation, Misfire, MIL Lamp on VIN: WDBRF61J02
P0303: mis on cylinder 3. i have a 2002 m/b c240 with 2.6 v6 with mil light on. test drove car; had miss and ran rough, car when into limp mode. check wires, coils, spark plug seem ok. cleared light test drove car again car runs good no miss. any ideas? thank you for your help
April 04, 2008
2001 Honda S2000 2.0L Misfire, MIL Lamp on VIN: J123E43561
P0303: Cylinder 3 Misfire Detected. ... with misfire codes p0301 & p0303. we swapped ignition coils and replaced plugs the 1st time it was in. (we have never experienced a misfire) Vehicle returned about a week later with same codes. we adjusted the valves...
April 08, 2008
2001 Acura CL Premium 3.2L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 19UYA42441
P0303: Cylinder 3 Misfire Detected. 2000 acura tl3.2 codes p0303 p0305 p0306 coils test good injectors good , fuel pressure ok, 5 gas are hc 6ppm no 0ppm co o.oo% co2 14.3 % o2 o.o car runs good then starts to stumbl but no missfire
April 11, 2008
2001 Acura CL Premium 3.2L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 19UYA42441
P0303: Cylinder 3 Misfire Detected. 2000 acura tl3.2 codes p0303 p0305 p0306 coils test good injectors good , fuel pressure ok, 5 gas are hc 6ppm no 0ppm co o.oo% co2 14.3 % o2 o.o car runs good then starts to stumbl but no missfire
April 12, 2008
1999 BMW 328i 2.8L Misfire, MIL Lamp on VIN: WBAAM5533X
i dont have a smoke machine to check intake gasket,being that the misfire is at idle only.so I'm thinking that maybe cam sensor's bad.info is limited for this so if any of you BMW techs could lead me in the right direction it would be grateful thanks
April 12, 2008
1999 BMW 328i 2.8L Misfire, MIL Lamp on VIN: WBAAM5533X
i dont have a smoke machine to check intake gasket,being that the misfire is at idle only.so I'm thinking that maybe cam sensor's bad.info is limited for this so if any of you BMW techs could lead me in the right direction it would be grateful thanks
April 15, 2008
2000 Chevrolet Astro 4.3L Excessive Emissions, Misfire VIN: 1GNDM19W9Y
P0303: misfire 3. With intake gaskets replaced and no ignition problems , only at idle the misfire occurs. higher speed ok Is there any one out there that had this problem or these engine have some kind of internal problem. need help thanks
April 17, 2008
1998 Chevrolet Cavalier Z24 2.4L Misfire VIN: 1G1JF12T5W
P0303: Cylinder 3 Misfire Detected. car came in w #3 misfire checked compression was 165 pulse width looked good on all injectors plug was oil soaked changed plugs and wires no help changed injector helped at about 2000 rpms misfire goes away but under load its running on 3 cylinders all the tim...
April 18, 2008
2000 Chevrolet Astro 4.3L Excessive Emissions, Misfire VIN: 1GNDM19W9Y
P0303: misfire 3. With intake gaskets replaced and no ignition problems , only at idle the misfire occurs. higher speed ok Is there any one out there that had this problem or these engine have some kind of internal problem. need help thanks
April 18, 2008
1998 Mitsubishi 3000GT SL 3.0L Misfire, MIL Lamp on VIN: JA3AM84J5W
P0303: Cylinder 3 Misfire Detected. ... check engine light on. trace down codes and found a code p0303. missfire in # 3 cylinder. drove the car and yes under load at operating temp. engine misses ran scope on it in the shop but cant load it because its a manual without smoking the clutch. visual...
April 21, 2008
2002 Mercedes-Benz C240 2.6L Hesitation, Misfire, MIL Lamp on VIN: WDBRF61J02
P0303: mis on cylinder 3. i have a 2002 m/b c240 with 2.6 v6 with mil light on. test drove car; had miss and ran rough, car when into limp mode. check wires, coils, spark plug seem ok. cleared light test drove car again car runs good no miss. any ideas? thank you for your help
April 04, 2008
2001 Honda S2000 2.0L Misfire, MIL Lamp on VIN: J123E43561
P0303: Cylinder 3 Misfire Detected. ... with misfire codes p0301 & p0303. we swapped ignition coils and replaced plugs the 1st time it was in. (we have never experienced a misfire) Vehicle returned about a week later with same codes. we adjusted the valves...
April 08, 2008
2001 Acura CL Premium 3.2L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 19UYA42441
P0303: Cylinder 3 Misfire Detected. 2000 acura tl3.2 codes p0303 p0305 p0306 coils test good injectors good , fuel pressure ok, 5 gas are hc 6ppm no 0ppm co o.oo% co2 14.3 % o2 o.o car runs good then starts to stumbl but no missfire
April 11, 2008
2001 Acura CL Premium 3.2L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 19UYA42441
P0303: Cylinder 3 Misfire Detected. 2000 acura tl3.2 codes p0303 p0305 p0306 coils test good injectors good , fuel pressure ok, 5 gas are hc 6ppm no 0ppm co o.oo% co2 14.3 % o2 o.o car runs good then starts to stumbl but no missfire
April 12, 2008
1999 BMW 328i 2.8L Misfire, MIL Lamp on VIN: WBAAM5533X
i dont have a smoke machine to check intake gasket,being that the misfire is at idle only.so I'm thinking that maybe cam sensor's bad.info is limited for this so if any of you BMW techs could lead me in the right direction it would be grateful thanks
April 12, 2008
1999 BMW 328i 2.8L Misfire, MIL Lamp on VIN: WBAAM5533X
i dont have a smoke machine to check intake gasket,being that the misfire is at idle only.so I'm thinking that maybe cam sensor's bad.info is limited for this so if any of you BMW techs could lead me in the right direction it would be grateful thanks
April 15, 2008
2000 Chevrolet Astro 4.3L Excessive Emissions, Misfire VIN: 1GNDM19W9Y
P0303: misfire 3. With intake gaskets replaced and no ignition problems , only at idle the misfire occurs. higher speed ok Is there any one out there that had this problem or these engine have some kind of internal problem. need help thanks
April 17, 2008
1998 Chevrolet Cavalier Z24 2.4L Misfire VIN: 1G1JF12T5W
P0303: Cylinder 3 Misfire Detected. car came in w #3 misfire checked compression was 165 pulse width looked good on all injectors plug was oil soaked changed plugs and wires no help changed injector helped at about 2000 rpms misfire goes away but under load its running on 3 cylinders all the tim...
April 18, 2008
2000 Chevrolet Astro 4.3L Excessive Emissions, Misfire VIN: 1GNDM19W9Y
P0303: misfire 3. With intake gaskets replaced and no ignition problems , only at idle the misfire occurs. higher speed ok Is there any one out there that had this problem or these engine have some kind of internal problem. need help thanks
April 18, 2008
1998 Mitsubishi 3000GT SL 3.0L Misfire, MIL Lamp on VIN: JA3AM84J5W
P0303: Cylinder 3 Misfire Detected. ... check engine light on. trace down codes and found a code p0303. missfire in # 3 cylinder. drove the car and yes under load at operating temp. engine misses ran scope on it in the shop but cant load it because its a manual without smoking the clutch. visual...
April 21, 2008