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P0303 Diagnostic Trouble Code Discussion for January 2010

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2002 Chrysler Town & Country (Van) LX 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2C4GP44382
P0303: Cylinder 3 missfire. ... came in running bad and check engine light on. We started out by replacing the coil pack,plugs,wires,clean fuel injectors. The van ran the same (when it came in it had codes P0172,P0300). We recheked codes and the one trip codes were 300,302,303,172. We re...
January 08, 2010
2004 Jaguar XJ8 4.2L Misfire, MIL Lamp on VIN: SAJWA71C14
P0303: Misfire Cyl 3. ... bank 1, P0301, P0303, P0305, check, for vacuum leak, made sure gaskets were good on dip stick, oil cap was tight, and Pcv gaskets good as well. found no vacuum lines loose or leaking. hooked up smoke machine to verify no ...
January 11, 2010
1999 Jeep TJ SE 2.5L Misfire VIN: 1J4FY29P1X
P0303: cylinder 3 misfire detected. ... second week into the new year and nothing but electrical problems mind is FRIED. Has anybody run into P0203 on a 2.5 L jeep before. Swapped #3 and #4 inj. still get misfire #3.Wiring looks good, not misfiring all the time noid lights working. Any help woul...
January 11, 2010
2004 Ford F-150 FX4 5.4L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTPW14554
P0303: misfire 3. tHIS IS AN INTERMITENT PROBLEM. IT MISFIRES UP A STEEP HILL AT 35 TO 55 MPH. IT DOESN'T OCCUR ALL THE TIME, BUT ALOT. THE ENGINE RUNS VERY WELL OTHERWISE. I HAVE CHANGED THE #3 PLUG AND COIL. I HAVE ALSO REPLACED #2 COIL INTHE PAST FOR MISFIRE. FUEL TRIMS IN F...
January 12, 2010
2004 Subaru Impreza WRX 2.0L Stall, Missfire Codes VIN: JF1GG29604
P0303: Cylinder 3 Misfire Detected. This vehicle has an interrmittent decel stall, and keeps setting all 4 cylinder missfire codes even though the engine runs perfect. Spark plugs and all coil packs have been replaced, timing belt was recently replaced while inspecting crank and cam gears for da...
January 13, 2010
2006 Isuzu N NPR 5.2L Misfire, Poor Fuel Economy VIN: JALB4B1676
P0303: cylinder 3 misfire. ... for any information or advise you can offer. We are working with a P0303 and scan data shows balancing rate on cylinder 3 is + 45 and other three cylinders show - 14.8 to - 18.3 and we are in the process of checking compression once we remove seized glow p...
January 19, 2010
2005 Toyota Camry 2.4L Misfire, MIL Lamp on
P0303: Cylinder 3 Misfire Detected. has anyone seen a problem like this. this car have been checked by other two tech. they replaced spark plugs and the coolant temperature senor. of course car is back. now car is under my care. fuel trim when it happens is under 7 percent, it has fuel pressure,...
January 23, 2010
2002 Chrysler Town & Country (Van) LX 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2C4GP44382
P0303: Cylinder 3 missfire. ... came in running bad and check engine light on. We started out by replacing the coil pack,plugs,wires,clean fuel injectors. The van ran the same (when it came in it had codes P0172,P0300). We recheked codes and the one trip codes were 300,302,303,172. We re...
January 08, 2010
2004 Jaguar XJ8 4.2L Misfire, MIL Lamp on VIN: SAJWA71C14
P0303: Misfire Cyl 3. ... bank 1, P0301, P0303, P0305, check, for vacuum leak, made sure gaskets were good on dip stick, oil cap was tight, and Pcv gaskets good as well. found no vacuum lines loose or leaking. hooked up smoke machine to verify no ...
January 11, 2010
1999 Jeep TJ SE 2.5L Misfire VIN: 1J4FY29P1X
P0303: cylinder 3 misfire detected. ... second week into the new year and nothing but electrical problems mind is FRIED. Has anybody run into P0203 on a 2.5 L jeep before. Swapped #3 and #4 inj. still get misfire #3.Wiring looks good, not misfiring all the time noid lights working. Any help woul...
January 11, 2010
2004 Ford F-150 FX4 5.4L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTPW14554
P0303: misfire 3. tHIS IS AN INTERMITENT PROBLEM. IT MISFIRES UP A STEEP HILL AT 35 TO 55 MPH. IT DOESN'T OCCUR ALL THE TIME, BUT ALOT. THE ENGINE RUNS VERY WELL OTHERWISE. I HAVE CHANGED THE #3 PLUG AND COIL. I HAVE ALSO REPLACED #2 COIL INTHE PAST FOR MISFIRE. FUEL TRIMS IN F...
January 12, 2010
2004 Subaru Impreza WRX 2.0L Stall, Missfire Codes VIN: JF1GG29604
P0303: Cylinder 3 Misfire Detected. This vehicle has an interrmittent decel stall, and keeps setting all 4 cylinder missfire codes even though the engine runs perfect. Spark plugs and all coil packs have been replaced, timing belt was recently replaced while inspecting crank and cam gears for da...
January 13, 2010
2006 Isuzu N NPR 5.2L Misfire, Poor Fuel Economy VIN: JALB4B1676
P0303: cylinder 3 misfire. ... for any information or advise you can offer. We are working with a P0303 and scan data shows balancing rate on cylinder 3 is + 45 and other three cylinders show - 14.8 to - 18.3 and we are in the process of checking compression once we remove seized glow p...
January 19, 2010
2005 Toyota Camry 2.4L Misfire, MIL Lamp on
P0303: Cylinder 3 Misfire Detected. has anyone seen a problem like this. this car have been checked by other two tech. they replaced spark plugs and the coolant temperature senor. of course car is back. now car is under my care. fuel trim when it happens is under 7 percent, it has fuel pressure,...
January 23, 2010