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P0303 Diagnostic Trouble Code Discussion for June 2013

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2003 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73KX3
Truck came in with the 2 individual cylinder misfires, but misfire counter showed all to be misfiring. When driving it feels like the fuel pump was cutting out, it is not. The running issue (misfire)only happens on acceleration or just holding rpm's up to 3000...
June 03, 2013
1999 Chevrolet Express 1500 5.7L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GBFG15R6X
P0303: Cylinder 3 Misfire Detected. ... with p0135,p0154,p0155,p0161,p0303,p0327 and p1153. The van drives well no misfire but uses a little more fuel then its supposed to. Fuel pressure is where it's supposed to be. Checked the o2 senso...
June 04, 2013
2003 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73KX3
Truck came in with the 2 individual cylinder misfires, but misfire counter showed all to be misfiring. When driving it feels like the fuel pump was cutting out, it is not. The running issue (misfire)only happens on acceleration or just holding rpm's up to 3000...
June 04, 2013
2004 Honda Civic Hybrid 1.3L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JHMES96554
P0303: Cylinder 3 Misfire Detected. ... p0301, p0302, p0303, p0304. When i drive it, it jumps and hops and binds. The best way to describe its symptom is if (i wide open throttled on a patch of ice and the tcs ...
June 06, 2013
2004 Honda Civic Hybrid 1.3L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JHMES96554
P0303: Cylinder 3 Misfire Detected. ... p0301, p0302, p0303, p0304. When i drive it, it jumps and hops and binds. The best way to describe its symptom is if (i wide open throttled on a patch of ice and the tcs ...
June 07, 2013
1998 Chevrolet Prizm 1.8L Hesitation, Misfire VIN: 1Y1SK5289W
P0303: cylinder 3 misfire. I need a hand with this car its killing me,this was brought to me with a complaint of no power.I scanned vehicle and found lean codes and misfire codes.I then checked fuel trims short term was at 20% and long term at 40% so we have a lean condition. Smoke test...
June 08, 2013
2006 Nissan Murano SL 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JN8AZ08W26
P0303: Cylinder 3 Misfire Detected. ... When I pulled the code I found a p0303 at first. I pulled the intake and changed the plugs and the number 3 coil. At this time I checked for blistered coils( none were found) and checked and cleaned all the grounds. Afte...
June 10, 2013
2004 Saturn Vue Red Line 3.5L Stall, Misfire, MIL Lamp on VIN: 5GZCZ63464
P0303: Cylinder 3 Misfire Detected. ... P0301, P0302, P0303, P0304, P0305, P0306. Vehicle just had a tune-up in Jan. this year. According to "Misfire" Scan data # 2 & # 3 are the worst, some times the only two that are misfiring. Swapped Coils with ...
June 10, 2013
2003 Ford Ranger Edge 4.0L Misfire VIN: 1FTZR45E93
P0303: misfire cyl 3. truck came in cust thinking was not shifting right found that #3 cyl was missing under load and even feels like misses at idle slightly checked coil plugs wires cam sensor it has a steady 18 to 20 inch vacuum 62 pounds fuel pressure cleaned mass air flow senor...
June 19, 2013
2005 GMC Sierra 2500 HD SLE 6.6L Excessive Emissions, Surge, Misfire, Poor Fuel Economy, Black/white smoke VIN: 1GTHK23245
P0303: Cylinder 3 Misfire Detected. ... my hair out on this one. we don't do a lot of diesel work here but enough. Mostly 6.0 Fords and Sprinter fleet work. This is my first real experience with a Duramax and its turning into a doozie. Truck is owned by a retired bodyshop owner/mechanic. Hard/no...
June 19, 2013
2005 GMC Sierra 2500 HD SLE 6.6L Excessive Emissions, Surge, Misfire, Poor Fuel Economy, Black/white smoke VIN: 1GTHK23245
P0303: Cylinder 3 Misfire Detected. ... my hair out on this one. we don't do a lot of diesel work here but enough. Mostly 6.0 Fords and Sprinter fleet work. This is my first real experience with a Duramax and its turning into a doozie. Truck is owned by a retired bodyshop owner/mechanic. Hard/no...
June 20, 2013
2005 Ford Explorer XLT 4.0L Poor Idle Quality, Misfire VIN: 1FMZU73K35
P0303: cylinder 3 misfire. First off thank you in advance for everyone who takes the time to read this. This truck has me officially stumped. Its a friend of mine which makes it even worse. Truck came in on a hook, will start and run but has a misfire. Sometimes its #3 missing, sometime...
June 21, 2013
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WVWPD63B13
P0303: 3 miss. Car misfires and random misfires on all cylinders which results in engine and car shaking. I have changed all spark plugs, ignition coils and even changed the timing belt to make sure it was correct. I found a cracked check valve and a cracked crank vent tube ...
June 21, 2013
2002 Dodge Dakota Sport 3.9L Misfire, MIL Lamp on VIN: 1B7GG32X92
P0303: Cylinder 3 Misfire Detected. ... 3.9l.Came in with p0300,p0301,p0303 & p0305 in it.Started out checking some basics.plugs,wires,cap& rotor.etc. All are fairly new...look great.Underside of cap had some corrosion on the contacts and on the rotor so I cleaned off with emery while I ...
June 24, 2013
2003 Ford Ranger Edge 4.0L Misfire VIN: 1FTZR45E93
P0303: misfire cyl 3. truck came in cust thinking was not shifting right found that #3 cyl was missing under load and even feels like misses at idle slightly checked coil plugs wires cam sensor it has a steady 18 to 20 inch vacuum 62 pounds fuel pressure cleaned mass air flow senor...
June 24, 2013
2001 Subaru Outback L.L. Bean 3.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 4S3BH80661
P0303: Cylinder 3 Misfire Detected. ATTENTION SUBARU TECHNICIANS...this vehicle came in last week and we did brakes and a battery. customer now states that since we did the work the car stalls and idles poorly and the check engine light is now on. its has misfire codes for 1,3,5(all on one bank)...
June 25, 2013
2001 Dodge Dakota SLT 3.9L Hesitation, Cuts out, Misfire VIN: 1B7HL2AX61
P0303: Cylinder 3 Misfire Detected. This truck came in with a randem miss and backfire. I drove and could not duplicate. I had tuned this truck up 20000 miles ago so the first thing i did was checked the plug wires. They were arcing at the cap. Changed wires and was fine for a week. Then same th...
June 30, 2013
2003 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73KX3
Truck came in with the 2 individual cylinder misfires, but misfire counter showed all to be misfiring. When driving it feels like the fuel pump was cutting out, it is not. The running issue (misfire)only happens on acceleration or just holding rpm's up to 3000...
June 03, 2013
1999 Chevrolet Express 1500 5.7L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GBFG15R6X
P0303: Cylinder 3 Misfire Detected. ... with p0135,p0154,p0155,p0161,p0303,p0327 and p1153. The van drives well no misfire but uses a little more fuel then its supposed to. Fuel pressure is where it's supposed to be. Checked the o2 senso...
June 04, 2013
2003 Ford Explorer XLT 4.0L Misfire VIN: 1FMZU73KX3
Truck came in with the 2 individual cylinder misfires, but misfire counter showed all to be misfiring. When driving it feels like the fuel pump was cutting out, it is not. The running issue (misfire)only happens on acceleration or just holding rpm's up to 3000...
June 04, 2013
2004 Honda Civic Hybrid 1.3L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JHMES96554
P0303: Cylinder 3 Misfire Detected. ... integrated motor assist (IMA). I retrieved the codes. P0300, p0301, p0302, p0303, p0304. When i drive it, it jumps and hops and binds. The best way to describe its symptom is if (i wide open throttled on a patch of ice and the tcs ...
June 06, 2013
2004 Honda Civic Hybrid 1.3L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: JHMES96554
P0303: Cylinder 3 Misfire Detected. ... integrated motor assist (IMA). I retrieved the codes. P0300, p0301, p0302, p0303, p0304. When i drive it, it jumps and hops and binds. The best way to describe its symptom is if (i wide open throttled on a patch of ice and the tcs ...
June 07, 2013
1998 Chevrolet Prizm 1.8L Hesitation, Misfire VIN: 1Y1SK5289W
P0303: cylinder 3 misfire. I need a hand with this car its killing me,this was brought to me with a complaint of no power.I scanned vehicle and found lean codes and misfire codes.I then checked fuel trims short term was at 20% and long term at 40% so we have a lean condition. Smoke test...
June 08, 2013
2006 Nissan Murano SL 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JN8AZ08W26
P0303: Cylinder 3 Misfire Detected. ... When I pulled the code I found a p0303 at first. I pulled the intake and changed the plugs and the number 3 coil. At this time I checked for blistered coils( none were found) and checked and cleaned all the grounds. Afte...
June 10, 2013
2004 Saturn Vue Red Line 3.5L Stall, Misfire, MIL Lamp on VIN: 5GZCZ63464
P0303: Cylinder 3 Misfire Detected. ... P0301, P0302, P0303, P0304, P0305, P0306. Vehicle just had a tune-up in Jan. this year. According to "Misfire" Scan data # 2 & # 3 are the worst, some times the only two that are misfiring. Swapped Coils with ...
June 10, 2013
2003 Ford Ranger Edge 4.0L Misfire VIN: 1FTZR45E93
P0303: misfire cyl 3. truck came in cust thinking was not shifting right found that #3 cyl was missing under load and even feels like misses at idle slightly checked coil plugs wires cam sensor it has a steady 18 to 20 inch vacuum 62 pounds fuel pressure cleaned mass air flow senor...
June 19, 2013
2005 GMC Sierra 2500 HD SLE 6.6L Excessive Emissions, Surge, Misfire, Poor Fuel Economy, Black/white smoke VIN: 1GTHK23245
P0303: Cylinder 3 Misfire Detected. ... my hair out on this one. we don't do a lot of diesel work here but enough. Mostly 6.0 Fords and Sprinter fleet work. This is my first real experience with a Duramax and its turning into a doozie. Truck is owned by a retired bodyshop owner/mechanic. Hard/no...
June 19, 2013
2005 GMC Sierra 2500 HD SLE 6.6L Excessive Emissions, Surge, Misfire, Poor Fuel Economy, Black/white smoke VIN: 1GTHK23245
P0303: Cylinder 3 Misfire Detected. ... my hair out on this one. we don't do a lot of diesel work here but enough. Mostly 6.0 Fords and Sprinter fleet work. This is my first real experience with a Duramax and its turning into a doozie. Truck is owned by a retired bodyshop owner/mechanic. Hard/no...
June 20, 2013
2005 Ford Explorer XLT 4.0L Poor Idle Quality, Misfire VIN: 1FMZU73K35
P0303: cylinder 3 misfire. First off thank you in advance for everyone who takes the time to read this. This truck has me officially stumped. Its a friend of mine which makes it even worse. Truck came in on a hook, will start and run but has a misfire. Sometimes its #3 missing, sometime...
June 21, 2013
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WVWPD63B13
P0303: 3 miss. Car misfires and random misfires on all cylinders which results in engine and car shaking. I have changed all spark plugs, ignition coils and even changed the timing belt to make sure it was correct. I found a cracked check valve and a cracked crank vent tube ...
June 21, 2013
2002 Dodge Dakota Sport 3.9L Misfire, MIL Lamp on VIN: 1B7GG32X92
P0303: Cylinder 3 Misfire Detected. ... 3.9l.Came in with p0300,p0301,p0303 & p0305 in it.Started out checking some basics.plugs,wires,cap& rotor.etc. All are fairly new...look great.Underside of cap had some corrosion on the contacts and on the rotor so I cleaned off with emery while I ...
June 24, 2013
2003 Ford Ranger Edge 4.0L Misfire VIN: 1FTZR45E93
P0303: misfire cyl 3. truck came in cust thinking was not shifting right found that #3 cyl was missing under load and even feels like misses at idle slightly checked coil plugs wires cam sensor it has a steady 18 to 20 inch vacuum 62 pounds fuel pressure cleaned mass air flow senor...
June 24, 2013
2001 Subaru Outback L.L. Bean 3.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 4S3BH80661
P0303: Cylinder 3 Misfire Detected. ATTENTION SUBARU TECHNICIANS...this vehicle came in last week and we did brakes and a battery. customer now states that since we did the work the car stalls and idles poorly and the check engine light is now on. its has misfire codes for 1,3,5(all on one bank)...
June 25, 2013
2001 Dodge Dakota SLT 3.9L Hesitation, Cuts out, Misfire VIN: 1B7HL2AX61
P0303: Cylinder 3 Misfire Detected. This truck came in with a randem miss and backfire. I drove and could not duplicate. I had tuned this truck up 20000 miles ago so the first thing i did was checked the plug wires. They were arcing at the cap. Changed wires and was fine for a week. Then same th...
June 30, 2013