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P0303 Diagnostic Trouble Code Discussion for December 2010

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2008 Mini Cooper S Clubman 1.6L Poor Idle Quality, Misfire VIN: WMWMF73508
Hell to all. We need some help with this mini cooper. Customer brought it in for replace spark plugs. Well it needs more than that I believe. It had these codes in it that I listed. We replaced the plugs and it still runs rough and surges at idle. Never worked...
December 01, 2010
2002 Volkswagen Cabrio GL 2.0L No Start VIN: 3VWDC21V82
P0303: cylinder 3 missfire. The customer complains of a no start in wet conditions,usually when the vehicle spends the night at our shop it starts right up as allways grrr. We have been battling this problem for awhile so I had read similar posts on IATN. The last time it wouldn't start ...
December 01, 2010
1998 Dodge B1500 3.9L Cuts out, Misfire, MIL Lamp on VIN: 2B4HB15X5W
P0303: Cylinder 3 Misfire Detected. This vehicle is somewhat of a charity job for a single mother with young children. Every few days she says it will buck or even quit, then restart. It runs OK for a few days, then. Once, about two weeks ago, it quit in traffic and wouldn't restart...then was t...
December 03, 2010
1999 Ford Ranger XL 2.5L Hesitation, Misfire VIN: 1FTYR14C4X
P0303: misfire 3. hi guys, i am at my witts end on this one. truck came in for no power, hesitation. it was misfiring barely ran. plug wires were worn through and plugs worn out. started with plugs and wires. no change. same cylinders misfire. dug in more did compression test ...
December 07, 2010
1998 Dodge B1500 3.9L Cuts out, Misfire, MIL Lamp on VIN: 2B4HB15X5W
P0303: Cylinder 3 Misfire Detected. This vehicle is somewhat of a charity job for a single mother with young children. Every few days she says it will buck or even quit, then restart. It runs OK for a few days, then. Once, about two weeks ago, it quit in traffic and wouldn't restart...then was t...
December 11, 2010
2000 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW48S5Y
P0303: Cylinder 3 Misfire Detected. OK , Im stumped . i was a jeep tech for 10 yrs and had seen many 4.0l cyl heads cause this issue . the cust states ck. engine light is on with no driveability symptoms . ck and found codes for misfire on all cyls . cleared codes and road tested . on a long sli...
December 18, 2010
2003 Jaguar XK8 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJDA42C23
P0303: misfire 3. This vehicle was brought in with the complaint of check engine lamp on, and occasional rough idle for a few seconds after a 15-30 minute hot soak. On initial road test, we did not notice any problems, the engine ran great. During scan testing, we retrieved the...
December 21, 2010
2000 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW48S5Y
P0303: Cylinder 3 Misfire Detected. OK , Im stumped . i was a jeep tech for 10 yrs and had seen many 4.0l cyl heads cause this issue . the cust states ck. engine light is on with no driveability symptoms . ck and found codes for misfire on all cyls . cleared codes and road tested . on a long sli...
December 21, 2010
2006 Volkswagen Touareg 3.2L Misfire, MIL Lamp on VIN: WVGZ77L26D
idle is a slight bit shakey, no definitive miss on any specific cylinder. i see alot of posts with similiar problems on the touaregs but havent seen one definate underlying cause. i dont see too many touaregs come through the shop so i am not that familiar wit...
December 21, 2010
2005 Hyundai Tucson GLS 2.7L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: KM8JM12D25
P0303: Cylinder 3 Misfire Detected. runs fine in park at all rpm. removed front pipe to check for bad converters and they look ok. unplug mass air flow and seems to run ok under load.replaced crank sensor wires where baked from heat off left converter.when driving under hard load cuts out and ge...
December 22, 2010
2003 Jaguar XK8 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJDA42C23
P0303: misfire 3. This vehicle was brought in with the complaint of check engine lamp on, and occasional rough idle for a few seconds after a 15-30 minute hot soak. On initial road test, we did not notice any problems, the engine ran great. During scan testing, we retrieved the...
December 23, 2010
2005 Hyundai Tucson GLS 2.7L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: KM8JM12D25
P0303: Cylinder 3 Misfire Detected. runs fine in park at all rpm. removed front pipe to check for bad converters and they look ok. unplug mass air flow and seems to run ok under load.replaced crank sensor wires where baked from heat off left converter.when driving under hard load cuts out and ge...
December 24, 2010
2001 Volvo V70 2.4L Poor Idle Quality, Misfire VIN: YU1SZ58DX1
P0303: cylinder 3 misfire. this one came in with check engine light on and misfiring on all cylinders. Vehicle is not even drivable, the misfiring is so bad. All the preliminaries, and are coming up with nothing obvious. Compression, vacuum, spark, all good. No vacuum leaks, does not ap...
December 24, 2010
2000 Honda Accord LX 3.0L Hesitation, Stall, Misfire, MIL Lamp on VIN: 1HGCG164XY
P0303: Cylinder 3 Misfire Detected. replace fuel pressure regulator & pcm. want to know how to reprogram immobilizer code to new pcm.. try couple attemt got lock out on the HDS. any help on how to tranfer immob code over to new pcm and n unlocking it
December 28, 2010
2000 Honda Accord LX 3.0L Hesitation, Stall, Misfire, MIL Lamp on VIN: 1HGCG164XY
P0303: Cylinder 3 Misfire Detected. replace fuel pressure regulator & pcm. want to know how to reprogram immobilizer code to new pcm.. try couple attemt got lock out on the HDS. any help on how to tranfer immob code over to new pcm and n unlocking it
December 29, 2010