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P0303 Diagnostic Trouble Code Discussion for April 2007

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
1997 Chrysler Sebring LXi 2.5L Excessive Emissions, Poor Idle Quality, Stall VIN: 4C3AU52N9V
P0303: Cylinder 3 Misfire Detected. car came to us with misfire codes and had never been serviced. It was idling a bit rough at that time. We replaced plugs and wires and sold him a t belt for good measure. After we were done, it still idled rough but could not get the code to return. Customer t...
April 02, 2007
2002 Ford Taurus LX 3.0L Misfire, MIL Lamp on
P0303: Cylinder 3 Misfire. Alright please help us with this problem child. Car came in from another local shop, for cylinder 3 misfire, they performed full tuneup. Still missed. Replaced Injector alone with new upper plenum gaskets. Car still missed. Now we have the car, and have re-che...
April 04, 2007
1998 Hyundai Accent GL 1.5L Surge, Cuts out, MIL Lamp on VIN: KMHVDHN9WU
P0303: Cylinder 3 Misfire Detected. Attn Hyundai techs. First off my apologies due to my unfamiliarity with these vehicles. This Accent will start up and idle fine, no codes. As soon as you pull out of the parking lot about a quarter mile later it starts to surge (feels like secondary ign misfir...
April 11, 2007
2004 Jeep Liberty Sport 3.7L Misfire, MIL Lamp on VIN: 1J4GL48K94
P0303: Cylinder 3 Misfire Detected. Vehicle has slight misfire at idle. Dealership replaced "worn out" spark plugs at 32,000 mi. Mil light will come on and give misfire #3 code. I swapped #1 and#3 Coil on plugs. Cleared code, test drove, misfire #3 code reset. Swapped #1 and #3 injectors...
April 13, 2007
1999 Mercedes-Benz ML320 3.2L Misfire, MIL Lamp on VIN: 4JGAB54E3X
P0303: Cyl.3 misfire detected. ... one.Vehicle came with misfire and no power,mill on.Check code:P0300,P0301,P0302, P0303,P0304,P0305,P0306.Check fuel pressure--OK,replace air filter,replace spark plugs and wires/w check cyl. compression---OK,check for stack open EGR valve---OK, Check exhau...
April 20, 2007
1999 Mercedes-Benz ML320 3.2L Poor Idle Quality, Misfire, MIL Lamp on, *3 injector shutdown VIN: HJGAB54E4X
P0303: misfire 3. has poor idle and kills inj for #3 after detecting misfire, if not allowed to idle, runs great until iy returns to idle and pcm misfire monitor detects an error on power balance through crank sensor ssignal speed and kills injector. everything has been done by...
April 27, 2007
1997 Chrysler Sebring LXi 2.5L Excessive Emissions, Poor Idle Quality, Stall VIN: 4C3AU52N9V
P0303: Cylinder 3 Misfire Detected. car came to us with misfire codes and had never been serviced. It was idling a bit rough at that time. We replaced plugs and wires and sold him a t belt for good measure. After we were done, it still idled rough but could not get the code to return. Customer t...
April 02, 2007
2002 Ford Taurus LX 3.0L Misfire, MIL Lamp on
P0303: Cylinder 3 Misfire. Alright please help us with this problem child. Car came in from another local shop, for cylinder 3 misfire, they performed full tuneup. Still missed. Replaced Injector alone with new upper plenum gaskets. Car still missed. Now we have the car, and have re-che...
April 04, 2007
1998 Hyundai Accent GL 1.5L Surge, Cuts out, MIL Lamp on VIN: KMHVDHN9WU
P0303: Cylinder 3 Misfire Detected. Attn Hyundai techs. First off my apologies due to my unfamiliarity with these vehicles. This Accent will start up and idle fine, no codes. As soon as you pull out of the parking lot about a quarter mile later it starts to surge (feels like secondary ign misfir...
April 11, 2007
2004 Jeep Liberty Sport 3.7L Misfire, MIL Lamp on VIN: 1J4GL48K94
P0303: Cylinder 3 Misfire Detected. Vehicle has slight misfire at idle. Dealership replaced "worn out" spark plugs at 32,000 mi. Mil light will come on and give misfire #3 code. I swapped #1 and#3 Coil on plugs. Cleared code, test drove, misfire #3 code reset. Swapped #1 and #3 injectors...
April 13, 2007
1999 Mercedes-Benz ML320 3.2L Misfire, MIL Lamp on VIN: 4JGAB54E3X
P0303: Cyl.3 misfire detected. ... one.Vehicle came with misfire and no power,mill on.Check code:P0300,P0301,P0302, P0303,P0304,P0305,P0306.Check fuel pressure--OK,replace air filter,replace spark plugs and wires/w check cyl. compression---OK,check for stack open EGR valve---OK, Check exhau...
April 20, 2007
1999 Mercedes-Benz ML320 3.2L Poor Idle Quality, Misfire, MIL Lamp on, *3 injector shutdown VIN: HJGAB54E4X
P0303: misfire 3. has poor idle and kills inj for #3 after detecting misfire, if not allowed to idle, runs great until iy returns to idle and pcm misfire monitor detects an error on power balance through crank sensor ssignal speed and kills injector. everything has been done by...
April 27, 2007