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P0303 Diagnostic Trouble Code Discussion for October 2005

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
1997 Ford F-150 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTDF1726V
P0303: 3 misfire. READ RELATED REPAIR HISTORY AND TESTING BEFORE THIS PARAGRAPH AND YOU MIGHT NOT BE AS CONFUSED.upon inspection i noticed a definite internal eng. noise that was somewhat intermittent. r/s exh. manifold bolts loose. dpfe hoses both have holes in them and intern...
October 04, 2005
1997 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MELM55U4V
P0303: Misfire Cyl 3. ... Found code P0340 - Cam Sensor. Inspected Cam sensor and synchronizer and found both broken. Replaced synchronizer and sensor using Mitchell's guide for replacement using TDC cylinder #1 and using OTC tool. Took vehicle for test drive and MIL light returned...
October 06, 2005
1999 Land Rover Discovery Series II 4.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: SALTY1240X
P0303: cylinder 3 misfire. i have a 1999/2000 discovery series II i have a misfire on cyl 3 and 1 i have good compression spark and fuel. i have no vaccum leaks. i have replace the intake gasket, plugs, plug wires, and injectors on 1 and 3, i have also run 4 cans of sea foam through the...
October 08, 2005
1996 Ford Windstar GL 3.8L Misfire, MIL Lamp on VIN: 2FMDA514OT
P0303: missfire cylinder 3. i have a problem with this van it has a code po303 cylinder 3 missfire the miss is not as bad cold but is bad warm.i have gone through the archives and have cleaned the egr ports that were plugged.at that time i also ohmed the injectors and also did a pressure...
October 10, 2005
2001 Suzuki Grand Vitara XL-7 2.7L MIL Lamp on VIN: JS3TX92V91
P0303: Cylinder 3 Misfire Detected. ... replaced oxygen sensor (open heater). 5k later came in for p0303 and then did plugs and motorvac. The code continues to come back on, with not driveablility symtoms. I have tried different coils, injectors and plugs(moving from other cylinders)with code st...
October 10, 2005
1998 Ford F-150 Lariat 4.6L Misfire, MIL Lamp on VIN: 1FTZX18W4W
P0303: cylinder 3 missfire. hello: this must be my week for problem child fords! i have this p/u that intermittanly has missfires on cylinder 3 it is not temp related sometimes it will last for a couple mins. or up to 4-5 mins.of course when it missfires the ses light blinks untill it st...
October 14, 2005
2001 Suzuki Grand Vitara XL-7 2.7L MIL Lamp on VIN: JS3TX92V91
P0303: Cylinder 3 Misfire Detected. ... replaced oxygen sensor (open heater). 5k later came in for p0303 and then did plugs and motorvac. The code continues to come back on, with not driveablility symtoms. I have tried different coils, injectors and plugs(moving from other cylinders)with code st...
October 17, 2005
1997 Dodge Ram 1500 Truck 5.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1B7HF16ZXV
P0303: Cylinder 3 Misfire Detected. ... hard to start problem.customer asked for a starting and charging system check it checked out ok besides a bad belt and tens. he came back on tuesday to have belt and tens. replaced he asked if we could check his dist. cap due to a broken screw. we replaced...
October 21, 2005
1997 Dodge Ram 1500 Truck 5.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1B7HF16ZXV
P0303: Cylinder 3 Misfire Detected. ... hard to start problem.customer asked for a starting and charging system check it checked out ok besides a bad belt and tens. he came back on tuesday to have belt and tens. replaced he asked if we could check his dist. cap due to a broken screw. we replaced...
October 22, 2005
2000 Audi S4 2.7L Misfire VIN: WAUDD68D0Y
P0303: cyl 3 missfire. having a little missfire problem with this car. It is missfiring on cyl #1,2,3,&4. Customer was here about a week ago with #5 missing and a month before that with #1 missing. But no o2 fault then. Checked for carbon and all cyl's looked fine, last week. It...
October 28, 2005
1997 Ford F-150 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTDF1726V
P0303: 3 misfire. READ RELATED REPAIR HISTORY AND TESTING BEFORE THIS PARAGRAPH AND YOU MIGHT NOT BE AS CONFUSED.upon inspection i noticed a definite internal eng. noise that was somewhat intermittent. r/s exh. manifold bolts loose. dpfe hoses both have holes in them and intern...
October 04, 2005
1997 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MELM55U4V
P0303: Misfire Cyl 3. ... Found code P0340 - Cam Sensor. Inspected Cam sensor and synchronizer and found both broken. Replaced synchronizer and sensor using Mitchell's guide for replacement using TDC cylinder #1 and using OTC tool. Took vehicle for test drive and MIL light returned...
October 06, 2005
1999 Land Rover Discovery Series II 4.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: SALTY1240X
P0303: cylinder 3 misfire. i have a 1999/2000 discovery series II i have a misfire on cyl 3 and 1 i have good compression spark and fuel. i have no vaccum leaks. i have replace the intake gasket, plugs, plug wires, and injectors on 1 and 3, i have also run 4 cans of sea foam through the...
October 08, 2005
1996 Ford Windstar GL 3.8L Misfire, MIL Lamp on VIN: 2FMDA514OT
P0303: missfire cylinder 3. i have a problem with this van it has a code po303 cylinder 3 missfire the miss is not as bad cold but is bad warm.i have gone through the archives and have cleaned the egr ports that were plugged.at that time i also ohmed the injectors and also did a pressure...
October 10, 2005
2001 Suzuki Grand Vitara XL-7 2.7L MIL Lamp on VIN: JS3TX92V91
P0303: Cylinder 3 Misfire Detected. ... replaced oxygen sensor (open heater). 5k later came in for p0303 and then did plugs and motorvac. The code continues to come back on, with not driveablility symtoms. I have tried different coils, injectors and plugs(moving from other cylinders)with code st...
October 10, 2005
1998 Ford F-150 Lariat 4.6L Misfire, MIL Lamp on VIN: 1FTZX18W4W
P0303: cylinder 3 missfire. hello: this must be my week for problem child fords! i have this p/u that intermittanly has missfires on cylinder 3 it is not temp related sometimes it will last for a couple mins. or up to 4-5 mins.of course when it missfires the ses light blinks untill it st...
October 14, 2005
2001 Suzuki Grand Vitara XL-7 2.7L MIL Lamp on VIN: JS3TX92V91
P0303: Cylinder 3 Misfire Detected. ... replaced oxygen sensor (open heater). 5k later came in for p0303 and then did plugs and motorvac. The code continues to come back on, with not driveablility symtoms. I have tried different coils, injectors and plugs(moving from other cylinders)with code st...
October 17, 2005
1997 Dodge Ram 1500 Truck 5.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1B7HF16ZXV
P0303: Cylinder 3 Misfire Detected. ... hard to start problem.customer asked for a starting and charging system check it checked out ok besides a bad belt and tens. he came back on tuesday to have belt and tens. replaced he asked if we could check his dist. cap due to a broken screw. we replaced...
October 21, 2005
1997 Dodge Ram 1500 Truck 5.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1B7HF16ZXV
P0303: Cylinder 3 Misfire Detected. ... hard to start problem.customer asked for a starting and charging system check it checked out ok besides a bad belt and tens. he came back on tuesday to have belt and tens. replaced he asked if we could check his dist. cap due to a broken screw. we replaced...
October 22, 2005
2000 Audi S4 2.7L Misfire VIN: WAUDD68D0Y
P0303: cyl 3 missfire. having a little missfire problem with this car. It is missfiring on cyl #1,2,3,&4. Customer was here about a week ago with #5 missing and a month before that with #1 missing. But no o2 fault then. Checked for carbon and all cyl's looked fine, last week. It...
October 28, 2005