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P0303 Diagnostic Trouble Code Discussion for July 2009

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2003 Kia Spectra 1.8L No Start, Misfire, MIL Lamp on VIN: KNAFB12113
P0303: Cylinder 3 Misfire Detected. Working at home trying to help my neighbor whose Kia timing belt broke and bent all the valves. I installed used engine and does not want to start, I can get it it start by unplugging #1 and #3 injectors installed new plugs swapped coils and injectors from use...
July 02, 2009
2003 Kia Spectra 1.8L No Start, Misfire, MIL Lamp on VIN: KNAFB12113
P0303: Cylinder 3 Misfire Detected. Working at home trying to help my neighbor whose Kia timing belt broke and bent all the valves. I installed used engine and does not want to start, I can get it it start by unplugging #1 and #3 injectors installed new plugs swapped coils and injectors from use...
July 03, 2009
2005 Volkswagen Jetta 2.5 2.5L Poor Idle Quality VIN: 3VWRG71K55
P0303: Cyl 3 Misfire. First time customer. Engine Code: P1340; Camshaft Position Sensor (G40) / Engine Speed Sensor (G28); Incorrect Correlation. I understand what sets this code, I do not understand why. We have replaced the Camshaft Position Sensor, Mass Air Sensor, Spark Plugs a...
July 09, 2009
2002 Chevrolet Impala 3.4L Misfire, MIL Lamp on VIN: 2G1WF55E62
P0303: misfire. this car has a very slight misfire only at idle on cylinder #3. we have swaped plugs wires #3 ign. coil and replaced ign. module and #3 injector with no change. off idle it runs great but you can feel a slight miss at idle. there is no engine noise when runnin...
July 11, 2009
1996 Chevrolet C1500 Cheyenne 5.7L Misfire, MIL Lamp on VIN: 2GCEC19R4T
P0303: Cylinder 3 Misfire Detected. VEHICLE CAME IN CHECK ENGINE LIGHT ON. MISFIRES ON #3 AND #6 according to counter. [...] dist cap, coil firing, plug wires firing. compression good. vacuum test good. fuel pressure within spec. replaced #3 and #6 injectors and then all but #6 cylinder were mis...
July 13, 2009
1996 Chevrolet C1500 Cheyenne 5.7L Misfire, MIL Lamp on VIN: 2GCEC19R4T
P0303: Cylinder 3 Misfire Detected. VEHICLE CAME IN CHECK ENGINE LIGHT ON. MISFIRES ON #3 AND #6 according to counter. [...] dist cap, coil firing, plug wires firing. compression good. vacuum test good. fuel pressure within spec. replaced #3 and #6 injectors and then all but #6 cylinder were mis...
July 14, 2009
2002 Chevrolet Impala 3.4L Misfire, MIL Lamp on VIN: 2G1WF55E62
P0303: misfire. this car has a very slight misfire only at idle on cylinder #3. we have swaped plugs wires #3 ign. coil and replaced ign. module and #3 injector with no change. off idle it runs great but you can feel a slight miss at idle. there is no engine noise when runnin...
July 15, 2009
1996 Chrysler Sebring JXi 2.5L Misfire, MIL Lamp on VIN: 3C3EL55H0T
P0303: Cylinder 3 Misfire Detected. i had a sebring came in with a stalling problem. checked out to be it was a crankshaft sensor. after i install a sensor in it and i went for a test drive while i was drivng car it start misfiring i brought back to a shop turn it of and start it after ten min r...
July 15, 2009
2004 Jeep Liberty Sport 3.7L Poor Idle Quality, Misfire VIN: 1J4GL48K74
P0303: Cylinder 3 Misfire Detected. came in po305, replaced delco plugs with correct ngk plugs, after test drive all good, on cold start 50-80 degrees ambient air temp have idle miss, if bring rpm up until engine warms there will be no miss, either get po300 or po305, or po303, moved coils aroun...
July 16, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0303: cyl no 3 misfire. ... light came on absolutely no symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 20, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0303: cyl no 3 misfire. ... light came on absolutely no symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 21, 2009
2006 Mercedes-Benz C230 Sport 2.5L Misfire VIN: WDBRF52H76
P0303: misfire replaced coil. has anyone seen this problem before? misfire started on 2/6--replaced coil #6 misfire moved to 2&3 replaced coils 2&3 only misfires on 2 electrical dictates a software issue--possibly drivers for ecm any suggestions
July 21, 2009
1996 Dodge B1500 3.9L MIL Lamp on VIN: 2B6HB21XXT
P0303: Cylinder 3 Misfire Detected. hey guys. need some help neighbors van,has misfire codes but vehicle does not miss(no loss of performance)the misfires count consistently at 60 -70 mph. cyl #1,3,5 count up to @100 misfirs all other cylinders are ok. as soon as speed comes down misfires are go...
July 23, 2009
2005 Volkswagen Touareg 3.2L Poor Idle Quality, MIL Lamp on, noise VIN: WVGBG77L75
P0303: Misfire cylinder 3. New customer came in with complaint of noise in engine. Checked underneath hood and heard a noise like a vacuum leak coming from what appeared to be an oil filler cap, but according to the emission label was part of the crankcase ventilation system. It has 2 w...
July 25, 2009
1998 Dodge B1500 3.9L Misfire VIN: 2B7HB11X9W
P0303: Cylinder 3 Misfire Detected. need help on this one, dodge ramvan 98 3.9l v6 does misfire on cruise on all cylindre especialy on #1-3-5 cyl. change intack gasket because of leak, cam and crank sensor ave been already change from another garage.already clean injector and see them work prope...
July 29, 2009
2003 Toyota Celica GT 1.8L Misfire, MIL Lamp on VIN: JTDDR32T33
P0303: Cylinder 3 Misfire Detected. get all cylinder misfires when cold,no lean codes ever
July 29, 2009
2003 Kia Spectra 1.8L No Start, Misfire, MIL Lamp on VIN: KNAFB12113
P0303: Cylinder 3 Misfire Detected. Working at home trying to help my neighbor whose Kia timing belt broke and bent all the valves. I installed used engine and does not want to start, I can get it it start by unplugging #1 and #3 injectors installed new plugs swapped coils and injectors from use...
July 02, 2009
2003 Kia Spectra 1.8L No Start, Misfire, MIL Lamp on VIN: KNAFB12113
P0303: Cylinder 3 Misfire Detected. Working at home trying to help my neighbor whose Kia timing belt broke and bent all the valves. I installed used engine and does not want to start, I can get it it start by unplugging #1 and #3 injectors installed new plugs swapped coils and injectors from use...
July 03, 2009
2005 Volkswagen Jetta 2.5 2.5L Poor Idle Quality VIN: 3VWRG71K55
P0303: Cyl 3 Misfire. First time customer. Engine Code: P1340; Camshaft Position Sensor (G40) / Engine Speed Sensor (G28); Incorrect Correlation. I understand what sets this code, I do not understand why. We have replaced the Camshaft Position Sensor, Mass Air Sensor, Spark Plugs a...
July 09, 2009
2002 Chevrolet Impala 3.4L Misfire, MIL Lamp on VIN: 2G1WF55E62
P0303: misfire. this car has a very slight misfire only at idle on cylinder #3. we have swaped plugs wires #3 ign. coil and replaced ign. module and #3 injector with no change. off idle it runs great but you can feel a slight miss at idle. there is no engine noise when runnin...
July 11, 2009
1996 Chevrolet C1500 Cheyenne 5.7L Misfire, MIL Lamp on VIN: 2GCEC19R4T
P0303: Cylinder 3 Misfire Detected. VEHICLE CAME IN CHECK ENGINE LIGHT ON. MISFIRES ON #3 AND #6 according to counter. [...] dist cap, coil firing, plug wires firing. compression good. vacuum test good. fuel pressure within spec. replaced #3 and #6 injectors and then all but #6 cylinder were mis...
July 13, 2009
1996 Chevrolet C1500 Cheyenne 5.7L Misfire, MIL Lamp on VIN: 2GCEC19R4T
P0303: Cylinder 3 Misfire Detected. VEHICLE CAME IN CHECK ENGINE LIGHT ON. MISFIRES ON #3 AND #6 according to counter. [...] dist cap, coil firing, plug wires firing. compression good. vacuum test good. fuel pressure within spec. replaced #3 and #6 injectors and then all but #6 cylinder were mis...
July 14, 2009
2002 Chevrolet Impala 3.4L Misfire, MIL Lamp on VIN: 2G1WF55E62
P0303: misfire. this car has a very slight misfire only at idle on cylinder #3. we have swaped plugs wires #3 ign. coil and replaced ign. module and #3 injector with no change. off idle it runs great but you can feel a slight miss at idle. there is no engine noise when runnin...
July 15, 2009
1996 Chrysler Sebring JXi 2.5L Misfire, MIL Lamp on VIN: 3C3EL55H0T
P0303: Cylinder 3 Misfire Detected. i had a sebring came in with a stalling problem. checked out to be it was a crankshaft sensor. after i install a sensor in it and i went for a test drive while i was drivng car it start misfiring i brought back to a shop turn it of and start it after ten min r...
July 15, 2009
2004 Jeep Liberty Sport 3.7L Poor Idle Quality, Misfire VIN: 1J4GL48K74
P0303: Cylinder 3 Misfire Detected. came in po305, replaced delco plugs with correct ngk plugs, after test drive all good, on cold start 50-80 degrees ambient air temp have idle miss, if bring rpm up until engine warms there will be no miss, either get po300 or po305, or po303, moved coils aroun...
July 16, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0303: cyl no 3 misfire. ... light came on absolutely no symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 20, 2009
2000 Chrysler Town & Country (Van) LXi 3.8L MIL Lamp on VIN: 1C4GP54LSY
P0303: cyl no 3 misfire. ... light came on absolutely no symptoms no misfires felt.codes set were in this order,p0300 p0306 p0305 p0304 p0303 p0302 p0301 freeze frame data p0300 rpm-1920 closed loop coolant 199f i...
July 21, 2009
2006 Mercedes-Benz C230 Sport 2.5L Misfire VIN: WDBRF52H76
P0303: misfire replaced coil. has anyone seen this problem before? misfire started on 2/6--replaced coil #6 misfire moved to 2&3 replaced coils 2&3 only misfires on 2 electrical dictates a software issue--possibly drivers for ecm any suggestions
July 21, 2009
1996 Dodge B1500 3.9L MIL Lamp on VIN: 2B6HB21XXT
P0303: Cylinder 3 Misfire Detected. hey guys. need some help neighbors van,has misfire codes but vehicle does not miss(no loss of performance)the misfires count consistently at 60 -70 mph. cyl #1,3,5 count up to @100 misfirs all other cylinders are ok. as soon as speed comes down misfires are go...
July 23, 2009
2005 Volkswagen Touareg 3.2L Poor Idle Quality, MIL Lamp on, noise VIN: WVGBG77L75
P0303: Misfire cylinder 3. New customer came in with complaint of noise in engine. Checked underneath hood and heard a noise like a vacuum leak coming from what appeared to be an oil filler cap, but according to the emission label was part of the crankcase ventilation system. It has 2 w...
July 25, 2009
1998 Dodge B1500 3.9L Misfire VIN: 2B7HB11X9W
P0303: Cylinder 3 Misfire Detected. need help on this one, dodge ramvan 98 3.9l v6 does misfire on cruise on all cylindre especialy on #1-3-5 cyl. change intack gasket because of leak, cam and crank sensor ave been already change from another garage.already clean injector and see them work prope...
July 29, 2009
2003 Toyota Celica GT 1.8L Misfire, MIL Lamp on VIN: JTDDR32T33
P0303: Cylinder 3 Misfire Detected. get all cylinder misfires when cold,no lean codes ever
July 29, 2009