Join Now
International Automotive Technicians Network

P0303 Diagnostic Trouble Code Discussion for August 2008

Cylinder 3 Misfire Detected


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0303
Help Request Posted
1999 Audi A4 2.8L Misfire VIN: WAUED28DOX
Hello Techs! I have a problem with this audi a4. It has been into this shop several times for a misfire on cyl,5 and 3. The tech that worked here before me was going after the problem by replacing the coils and plugs and wires, but to no avail. I have tried to...
August 01, 2008
1998 Volvo V70 T5 2.3L Misfire VIN: YV1LW5349W
P0303: cylinder 3 misfire. ... butt! Customer seems to have a misfire situation at some point after he leaves our shop. Has been back 4 times within a month with the same misfires codes.(P0303,304,305) Customer had Turbo replaced(Volvo parts)because it...
August 01, 2008
1996 Toyota Corolla DX 1.8L Hesitation, Surge, Cuts out, Misfire VIN: 1NXBB02E71
P0303: Cylinder 3 Misfire Detected. I didn't have much hair to begin with before this episode. Good customer, fixes car anytime it needs something. Out of nowhere it starts to buck and surge and dies. Her brother in law drags it home and adds gas and changes the fuel filter thinking it was bad. ...
August 03, 2008
2002 Ford Focus LX 2.0L Misfire VIN: IFAFP34P42
P0303: . I want thanks for every one in advance car came in runs very rough have bad misfire for two cylinders #2,3 replaced coil,wires and plugs. still doing same. there is a very little spark coming out of the coil #2,3. I removed the 3 wires from the coil and check...
August 06, 2008
2003 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on VIN: 1J4GW48S03
P0303: Cylinder 3 Misfire Detected. this happens after 20 miles of driving and it picks up a miss on #1 and 5 cylinder (this time). The injector on those 2 cylinders had power but no trigger. I gave the intake a shot of carb cleaner and it did not smooth out. I thought maybe a spark issue but th...
August 12, 2008
2001 Land Rover Discovery Series II SE 4.0L Misfire, MIL Lamp on VIN: SALTY12441
P0303: cyl. 3 misfire. hey there techs, i have this vehicle with an intermittent misfire at start-up on cyl 3 after you rev it a few times it goes away. vehicle came to us after another shop had chaned the plugs, wires, both coils, even the #3 injector, and intake plenum gasket. i d...
August 15, 2008
2002 Chrysler Voyager LX 3.3L Cuts out, Misfire VIN: 1C8GJ45332
P0303: Cylinder 3 Misfire Detected. Customer came in with complaint of rough idle and missfire while driving Found serveral missfire codes, #3, #4, #6, and lean O2 bank 1 #4 spark plug black others normal Installed new spark plugs and wires, cleared codes Problem still present, missfire #3 and #...
August 18, 2008
1999 Honda Accord EX 2.3L Misfire, MIL Lamp on VIN: 1HGCG5651X
P0303: Cylinder 3 Misfire Detected. History...(would not fit above) Oct 2004 92,501 miles. Dealer replaced Cat Converter. Oct 2007 118,382 miles. Dealer replace Cat under warranty (po420) At this same time dealer replace timing belt and water pump. Dec 2007 119,909 miles. Same Dealer "Cust...
August 18, 2008
1999 Honda Accord EX 2.3L Misfire, MIL Lamp on VIN: 1HGCG5851X
P0303: Cylinder 3 Misfire Detected. History...(would not fit above) Oct 2004 92,501 miles. Dealer replaced Cat Converter. Oct 2007 118,382 miles. Dealer replace Cat under warranty (po420) At this same time dealer replace timing belt and water pump. Dec 2007 119,909 miles. Same Dealer "Cust...
August 18, 2008
2001 Land Rover Discovery Series II SE 4.0L Misfire, MIL Lamp on VIN: SALTY12441
P0303: cyl. 3 misfire. hey there techs, i have this vehicle with an intermittent misfire at start-up on cyl 3 after you rev it a few times it goes away. vehicle came to us after another shop had chaned the plugs, wires, both coils, even the #3 injector, and intake plenum gasket. i d...
August 19, 2008
2003 Ford Ranger XL 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTYROU83P
P0303: miss fire 3 cyl. truck idles rought will set miss fire codes and po301-po302-po303.cat back prsuer o psi at 2000 rpm both side.ireplaced #3 injetor.ltft bank 1 at idle is -28 short term at-3 at idle bank 2 is at +2 ltft stft 0 replaced intake gasket had leak dose to have egr v...
August 21, 2008
1997 Dodge Dakota 3.9L Misfire, MIL Lamp on VIN: 1B7GG23X4V
P0303: Cylinder 3 Misfire Detected. need your help, when started cold this vehicle will run fine raise idle and slight miss appears , try to drive away and the truck will jerk and missfire (as if someone is toggling a switch)for approx 1 - 2 kilometers and than goes away . runs fine all day .can...
August 26, 2008