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P0303 Diagnostic Trouble Code Discussion for April 2006

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2003 Subaru Legacy L 2.5L Misfire, MIL Lamp on VIN: 4S3BH63543
P0303: Cylinder 3 Misfire Detected. this subaru has had the head gaskets done at another shop and the customer says it has been missing at high altitudes since. we work in vail colorado and going over vail pass the altitude is 10,500 feet and is the only time the car acts up. at the top of the p...
April 03, 2006
2000 Volkswagen Golf GLS 2.0L MIL Lamp on VIN: WVWGC21J0Y
P0303: cylinder 3 misfire. ... check engine light on, no diveability symptons reported. I pulled codes and there was 9 codes stored, P1225, P1226, P1227, P1228, P1451, P1421, P1425, P1472, & P1128. 8 out of the 9 were short to ground related codes. I cleared codes had customer drive...
April 05, 2006
2000 Volkswagen Jetta GLS 2.0L Hesitation, Misfire VIN: 3VWSA29M5Y
P0303: miss mfire cylinder 3. This car has an intermitant hesitation, it will occur when rpms are around 2200 and in a high gear,if you gear down the miss fire is gone(sorry it is a 5 speed, I clicked automtic up top).It will do this hot or cold, the car may do it many times in a day or go...
April 11, 2006
2001 Mercedes-Benz C240 2.6L Misfire VIN: J83A448810
P0303: miss fire cyl 3. ... find any data for the coils to tell if they are bad. but here is the problem car came in with p0303 and p0305 missfire 3 and 5 ok cust wanted plugs replaced and i did now cyl 3 is the only one missfireing. here is what happens it runs fine at idle but at 3...
April 12, 2006
1998 Volkswagen Beetle 2.0L Poor Idle Quality, Cuts out, Stall VIN: 3VWBB61C8W
P0303: cyl 3 misfire. vehicle came in barley running. found the brake booster vaccum lines cracked. replaced them. found #1 spark plug wire shorting out. replaced plugs and wires. chk compression while i had the intake off and found compression was 175-180 psi on all cylinders. ohm...
April 14, 2006
2001 Mercedes-Benz C240 2.6L Misfire VIN: J83A448810
P0303: miss fire cyl 3. ... find any data for the coils to tell if they are bad. but here is the problem car came in with p0303 and p0305 missfire 3 and 5 ok cust wanted plugs replaced and i did now cyl 3 is the only one missfireing. here is what happens it runs fine at idle but at 3...
April 15, 2006
1999 Ford E-250 Econoline 4.2L Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTNE2420X
P0303: misfire 3 cylinder. this vehicle came to us after the customer had another shop perform a tune up. He then was told he most likely had a dirty injector. I have heard a lot of people having head gasket problem with this engine but this engine has no signs of coolant leakage,no hyd...
April 19, 2006
1998 Volvo S70 2.4L Misfire, MIL Lamp on VIN: YV1LS5539W
P0303: cyl. 3 misfire. Vehicle can in to shop with multiple codes stored in memory. Codes were misfire in all cylinders and a code for rich bank 1 (P0174) which has not returned since tune-up was performed. Codes do not return when under load, only when sitting at idle do codes reap...
April 19, 2006
1999 Toyota Camry LE 3.0L Misfire, MIL Lamp on, Chuggle, Black smoke VIN: JT2BF22K3X
P0303: Cylinder 3 Misfire Detected. ... some minor body damage repaired (grill hood and left front fender replaced) The core support did shift back and dent the front exaust manifold heat shield and slightly bend the front mixture control sensor as I found out when I replaced it thinking it prob...
April 20, 2006
1995 Ford Windstar GL 3.8L MIL Lamp on, Low power VIN: 2FMDA5141S
P0303: Cyl 3 misfire detected. This car has the MIL light on with all of the codes listed above. We cleared the codes and within 1 hour of driving the light was back on with codes 1131 and 1151 indicating a lean condition in both banks. We double checked fuel pressure and smoke tested the i...
April 21, 2006
2000 Dodge Dakota 4.7L Misfire, MIL Lamp on VIN: 1B7GL2HN8Y
P0303: Cylinder 3 Misfire Detected. I had a 2000 Dodge Dakota Quad Cab in the shop yesterday evening with PO303 stored. With the MT2500 scanner monitoring misfires #3 cylinder is showing slow but steady misfire counts counting up at idle. Customer is complaining of poor gas mileage but not the s...
April 22, 2006
2002 Dodge Ram 1500 Van 3.9L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2B6HB11X62
P0303: Cylinder 3 Misfire Detected. I replaced ign wires(oe)because arcing was observed when misted with water.Cleared dtcs.Still ran very rough.Ran injector balance with snap on scan tool.#4and#6 weak,#3OK. Misfire dtcs not reset,no misfires shown on counter(system test).Now it gets good,scanne...
April 24, 2006
1995 Ford Windstar GL 3.8L MIL Lamp on, Low power VIN: 2FMDA5141S
P0303: Cyl 3 misfire detected. This car has the MIL light on with all of the codes listed above. We cleared the codes and within 1 hour of driving the light was back on with codes 1131 and 1151 indicating a lean condition in both banks. We double checked fuel pressure and smoke tested the i...
April 24, 2006
2004 Ford F-150 FX4 5.4L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1FTPW14554
P0303: misfire 3. Customer complains of truck losing power, surging, ses lite, and with pedal to the floor will not accelerate. had to limp it back to town. We just did a full tune up and injector clean, fuel filter etc, on this truck last week. i took this truck out for an hou...
April 24, 2006
2003 Dodge Grand Caravan EX 3.8L Misfire VIN: 2D8GP74L13
P0303: Cylinder 3 Misfire Detected. vehicle shows misfire counters on #3& #6 cyls at idle - clear codes & drive, the codes won't come back until sitting at idle for a period of time. the #3 & 6 coils are together & show a much weaker spark than all the others, so we replaced the ...
April 28, 2006
2003 Subaru Legacy L 2.5L Misfire, MIL Lamp on VIN: 4S3BH63543
P0303: Cylinder 3 Misfire Detected. this subaru has had the head gaskets done at another shop and the customer says it has been missing at high altitudes since. we work in vail colorado and going over vail pass the altitude is 10,500 feet and is the only time the car acts up. at the top of the p...
April 03, 2006
2000 Volkswagen Golf GLS 2.0L MIL Lamp on VIN: WVWGC21J0Y
P0303: cylinder 3 misfire. ... check engine light on, no diveability symptons reported. I pulled codes and there was 9 codes stored, P1225, P1226, P1227, P1228, P1451, P1421, P1425, P1472, & P1128. 8 out of the 9 were short to ground related codes. I cleared codes had customer drive...
April 05, 2006
2000 Volkswagen Jetta GLS 2.0L Hesitation, Misfire VIN: 3VWSA29M5Y
P0303: miss mfire cylinder 3. This car has an intermitant hesitation, it will occur when rpms are around 2200 and in a high gear,if you gear down the miss fire is gone(sorry it is a 5 speed, I clicked automtic up top).It will do this hot or cold, the car may do it many times in a day or go...
April 11, 2006
2001 Mercedes-Benz C240 2.6L Misfire VIN: J83A448810
P0303: miss fire cyl 3. ... find any data for the coils to tell if they are bad. but here is the problem car came in with p0303 and p0305 missfire 3 and 5 ok cust wanted plugs replaced and i did now cyl 3 is the only one missfireing. here is what happens it runs fine at idle but at 3...
April 12, 2006
1998 Volkswagen Beetle 2.0L Poor Idle Quality, Cuts out, Stall VIN: 3VWBB61C8W
P0303: cyl 3 misfire. vehicle came in barley running. found the brake booster vaccum lines cracked. replaced them. found #1 spark plug wire shorting out. replaced plugs and wires. chk compression while i had the intake off and found compression was 175-180 psi on all cylinders. ohm...
April 14, 2006
2001 Mercedes-Benz C240 2.6L Misfire VIN: J83A448810
P0303: miss fire cyl 3. ... find any data for the coils to tell if they are bad. but here is the problem car came in with p0303 and p0305 missfire 3 and 5 ok cust wanted plugs replaced and i did now cyl 3 is the only one missfireing. here is what happens it runs fine at idle but at 3...
April 15, 2006
1999 Ford E-250 Econoline 4.2L Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTNE2420X
P0303: misfire 3 cylinder. this vehicle came to us after the customer had another shop perform a tune up. He then was told he most likely had a dirty injector. I have heard a lot of people having head gasket problem with this engine but this engine has no signs of coolant leakage,no hyd...
April 19, 2006
1998 Volvo S70 2.4L Misfire, MIL Lamp on VIN: YV1LS5539W
P0303: cyl. 3 misfire. Vehicle can in to shop with multiple codes stored in memory. Codes were misfire in all cylinders and a code for rich bank 1 (P0174) which has not returned since tune-up was performed. Codes do not return when under load, only when sitting at idle do codes reap...
April 19, 2006
1999 Toyota Camry LE 3.0L Misfire, MIL Lamp on, Chuggle, Black smoke VIN: JT2BF22K3X
P0303: Cylinder 3 Misfire Detected. ... some minor body damage repaired (grill hood and left front fender replaced) The core support did shift back and dent the front exaust manifold heat shield and slightly bend the front mixture control sensor as I found out when I replaced it thinking it prob...
April 20, 2006
1995 Ford Windstar GL 3.8L MIL Lamp on, Low power VIN: 2FMDA5141S
P0303: Cyl 3 misfire detected. This car has the MIL light on with all of the codes listed above. We cleared the codes and within 1 hour of driving the light was back on with codes 1131 and 1151 indicating a lean condition in both banks. We double checked fuel pressure and smoke tested the i...
April 21, 2006
2000 Dodge Dakota 4.7L Misfire, MIL Lamp on VIN: 1B7GL2HN8Y
P0303: Cylinder 3 Misfire Detected. I had a 2000 Dodge Dakota Quad Cab in the shop yesterday evening with PO303 stored. With the MT2500 scanner monitoring misfires #3 cylinder is showing slow but steady misfire counts counting up at idle. Customer is complaining of poor gas mileage but not the s...
April 22, 2006
2002 Dodge Ram 1500 Van 3.9L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 2B6HB11X62
P0303: Cylinder 3 Misfire Detected. I replaced ign wires(oe)because arcing was observed when misted with water.Cleared dtcs.Still ran very rough.Ran injector balance with snap on scan tool.#4and#6 weak,#3OK. Misfire dtcs not reset,no misfires shown on counter(system test).Now it gets good,scanne...
April 24, 2006
1995 Ford Windstar GL 3.8L MIL Lamp on, Low power VIN: 2FMDA5141S
P0303: Cyl 3 misfire detected. This car has the MIL light on with all of the codes listed above. We cleared the codes and within 1 hour of driving the light was back on with codes 1131 and 1151 indicating a lean condition in both banks. We double checked fuel pressure and smoke tested the i...
April 24, 2006
2004 Ford F-150 FX4 5.4L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1FTPW14554
P0303: misfire 3. Customer complains of truck losing power, surging, ses lite, and with pedal to the floor will not accelerate. had to limp it back to town. We just did a full tune up and injector clean, fuel filter etc, on this truck last week. i took this truck out for an hou...
April 24, 2006
2003 Dodge Grand Caravan EX 3.8L Misfire VIN: 2D8GP74L13
P0303: Cylinder 3 Misfire Detected. vehicle shows misfire counters on #3& #6 cyls at idle - clear codes & drive, the codes won't come back until sitting at idle for a period of time. the #3 & 6 coils are together & show a much weaker spark than all the others, so we replaced the ...
April 28, 2006