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P0303 Diagnostic Trouble Code Discussion for December 2004

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2001 Volkswagen Jetta GL 2.0L Hesitation, Stall, Misfire VIN: 3VWSH29M31
P0303: missfire cyl 3. customer complained that experienced loss of power,no take off, fuel pressure ok, no check engine light on, all filters and plugs new, unplugged maf. vehicle reved out perefectly. replaced maf with genuine part, initially vehicle exhibited the same symptoms, e...
December 06, 2004
1997 Ford Expedition Eddie Bauer 4.6L Surge, Misfire VIN: 1FMEU18W9V
P0303: cylinder misfire 3 cylinder. This is a customers vehicle that first came in 6 months ago with a misfire on #3 cylinder and we replaced plugs and wires, erased codes and returned to customer. A few months later it was back with the same code, both times the vehicle was running good, but th...
December 08, 2004
1996 Dodge Intrepid 3.3L MIL Lamp on VIN: 2B3HD46T0T
P0303: Cylinder 3 Misfire Detected. vehicle came in 4 months ago with cyl #6 misfire which was repaired with head relacment for broken rocker tower it has come back with a po303 misfire #3,replaced plugs,wires, coil pack to no avail,checked for vacuum leaks checked compression.HELP.
December 15, 2004
1998 Subaru Legacy Outback 2.5L Misfire VIN: 4S3BG6853W
P0303: Cylinder 3 Misfire Detected. We have this 1998 legacy that we did a dealer short block and had the heads rebuilted.runs great ,but every once in awhile it will set codes for misfires.Not consistent with anyone cylinder.Every time it happens it will be a different cylinder or all.You can d...
December 15, 2004
1997 Ford Aerostar 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMDA41X6V
P0303: Misfire cyl 3. Vehicle was brought to shop w/check engine lamp on .Scanned for codes found po305 po303 misfire codes present. Checked for spark at plugs,did coil test,checked OK ,all wires were routed correctly. Then suspected vac leak at plenum o rings,R&R upper o rings...
December 16, 2004
2002 Land Rover Freelander SE 2.5L Hesitation, Misfire VIN: SALNY22242
P0303: Cylinder 3 misfire. Hello Fellow techs, Customers complaint is intermittent engine misfire and hesitation when there is 1/4 or less fuel in the tank. We removed and examined the pump.No discernable problems found. Has anyone had this problem or possibly an inaccurate guage whi...
December 18, 2004
1998 Honda CR-V LX 2.0L Misfire, MIL Lamp on
P0303: Cylinder 3 Misfire Detected. Honda techs, here is one with a curve. This came in after having a timing belt and tune up done about 15000 miles ago. The first thing I did was to recheck valve clearances. I had afew tight ones and yes they were exhaust. I reset clearances and tested. The mi...
December 19, 2004
2000 Jeep Cherokee Classic 4.0L Misfire VIN: 1YXJ72Z089
P0303: Cylinder 3 Misfire Detected. this unit has an intermittant severe miss,ive never gotten it to act up.the word is that it runs like crap.i suspect either a coil pac or an injector,surely could use some help on this one.
December 24, 2004
2001 Jeep Cherokee Sport 4.0L No Start, Misfire, MIL Lamp on VIN: 1JFF48591L
P0303: Cylinder 3 Misfire Detected. OK,Attention jeep techs, this vehicle arrived at our shop after the customer called requesting price for injector replace (only #3 injector), he had vehicle at another shop and they found code po303 but didnt verify trouble source, reset the light and he took ...
December 30, 2004
2000 Pontiac Grand Am SE 2.4L Excessive Emissions, Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G2NF52T6Y
P0303: Cylinder 3 Misfire Detected. this has had the light go on and off for 2 years according to the owner, brought it out for smell out air ducts and to check light, it had a po303 # 3 miss fire- i changed plugs and checked ohms hot on the coils, looked for markes on coils and housing, checked...
December 30, 2004
2001 Volkswagen Jetta GL 2.0L Hesitation, Stall, Misfire VIN: 3VWSH29M31
P0303: missfire cyl 3. customer complained that experienced loss of power,no take off, fuel pressure ok, no check engine light on, all filters and plugs new, unplugged maf. vehicle reved out perefectly. replaced maf with genuine part, initially vehicle exhibited the same symptoms, e...
December 06, 2004
1997 Ford Expedition Eddie Bauer 4.6L Surge, Misfire VIN: 1FMEU18W9V
P0303: cylinder misfire 3 cylinder. This is a customers vehicle that first came in 6 months ago with a misfire on #3 cylinder and we replaced plugs and wires, erased codes and returned to customer. A few months later it was back with the same code, both times the vehicle was running good, but th...
December 08, 2004
1996 Dodge Intrepid 3.3L MIL Lamp on VIN: 2B3HD46T0T
P0303: Cylinder 3 Misfire Detected. vehicle came in 4 months ago with cyl #6 misfire which was repaired with head relacment for broken rocker tower it has come back with a po303 misfire #3,replaced plugs,wires, coil pack to no avail,checked for vacuum leaks checked compression.HELP.
December 15, 2004
1998 Subaru Legacy Outback 2.5L Misfire VIN: 4S3BG6853W
P0303: Cylinder 3 Misfire Detected. We have this 1998 legacy that we did a dealer short block and had the heads rebuilted.runs great ,but every once in awhile it will set codes for misfires.Not consistent with anyone cylinder.Every time it happens it will be a different cylinder or all.You can d...
December 15, 2004
1997 Ford Aerostar 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMDA41X6V
P0303: Misfire cyl 3. Vehicle was brought to shop w/check engine lamp on .Scanned for codes found po305 po303 misfire codes present. Checked for spark at plugs,did coil test,checked OK ,all wires were routed correctly. Then suspected vac leak at plenum o rings,R&R upper o rings...
December 16, 2004
2002 Land Rover Freelander SE 2.5L Hesitation, Misfire VIN: SALNY22242
P0303: Cylinder 3 misfire. Hello Fellow techs, Customers complaint is intermittent engine misfire and hesitation when there is 1/4 or less fuel in the tank. We removed and examined the pump.No discernable problems found. Has anyone had this problem or possibly an inaccurate guage whi...
December 18, 2004
1998 Honda CR-V LX 2.0L Misfire, MIL Lamp on
P0303: Cylinder 3 Misfire Detected. Honda techs, here is one with a curve. This came in after having a timing belt and tune up done about 15000 miles ago. The first thing I did was to recheck valve clearances. I had afew tight ones and yes they were exhaust. I reset clearances and tested. The mi...
December 19, 2004
2000 Jeep Cherokee Classic 4.0L Misfire VIN: 1YXJ72Z089
P0303: Cylinder 3 Misfire Detected. this unit has an intermittant severe miss,ive never gotten it to act up.the word is that it runs like crap.i suspect either a coil pac or an injector,surely could use some help on this one.
December 24, 2004
2001 Jeep Cherokee Sport 4.0L No Start, Misfire, MIL Lamp on VIN: 1JFF48591L
P0303: Cylinder 3 Misfire Detected. OK,Attention jeep techs, this vehicle arrived at our shop after the customer called requesting price for injector replace (only #3 injector), he had vehicle at another shop and they found code po303 but didnt verify trouble source, reset the light and he took ...
December 30, 2004
2000 Pontiac Grand Am SE 2.4L Excessive Emissions, Poor Idle Quality, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1G2NF52T6Y
P0303: Cylinder 3 Misfire Detected. this has had the light go on and off for 2 years according to the owner, brought it out for smell out air ducts and to check light, it had a po303 # 3 miss fire- i changed plugs and checked ohms hot on the coils, looked for markes on coils and housing, checked...
December 30, 2004