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P0303 Diagnostic Trouble Code Discussion for March 2010

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2000 Volkswagen Passat GLS 2.8L Excessive Emissions, Misfire VIN: WVWMD23B5Y
P0303: 3 misfire. please help vw techs. i have a fine vehicle that came in with 16 dtc's wrote all codes down and cleared codes. advised customer we would address the codes as they came back in computer. the 4 codes listed where the ones that reappeared where the ones listed. i...
March 01, 2010
2003 Toyota Corolla S 1.8L Poor Idle Quality, MIL Lamp on VIN: 2T1BR32E13
P0303: Cylinder 3 Misfire Detected. No idle cold and low idle hot. Codes for multiple misfire all cylinders and evap psi sensor codes. I have checked basics. No intake leaks. Plugs look good. I have cleaned throtle body because throtle was sticky. Any help much apreciated. Thanks Gary
March 03, 2010
2002 Saturn Vue 3.0L Misfire, MIL Lamp on VIN: 5GZCZ63BX2
P0303: Cylinder 3 Misfire Detected. hello to all techs out there ecspecially saturn techs.i have this saturn vue that is flashing mil and setting codes for misfire on cylinders 1,3,5.all on bank 1.found vacuum leak under intake repaired but,it still is setting codes and counting.i pullede timing...
March 04, 2010
2002 Other European vanquish 5935CC Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: UNKOWNVINN
P0303: miss 3. ok alldata has zero info on this car and iatn tech help has very limited info also. this car belongs to very good customer with a fleet of trucks, plus he is a shop friend. so i dont want to send him back to the dealer on this. this car has misfires on multipl...
March 05, 2010
2004 Audi A6 Quattro 3.0L Misfire, MIL Lamp on VIN: WAULT64B14
P0303: cylinder 3 misfire. Car started having p0303 ,cylinder 3 misfire codes after timing belt installation. Changed or swapped coils,plugs and injectors same problem,can take a day or two to set code.I'm about ready to do the whole job over again only because the code wasn't present b...
March 08, 2010
2004 Audi A4 Quattro 1.8L Misfire, MIL Lamp on VIN: WAULC68E14
P0303: cylinder 3 misfire detected. ... trouble.vehicle came in for a heck engine light on.codes p0302 and p0303 cylinder #2and 3 misfires.also code p0011 valve 1 for camshaft adjustment.check coils and plugs all looked ok.swap plugs and coils to different cylinders....
March 08, 2010
2005 Volkswagen Passat GL 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWAD63B55
P0303: misfire cyl 3. I have this Passat come in idling real bad and check engine light blinking. Pulled codes and initially found misfire codes on all cyl's and lean code bank 1. Customer previously had been at VW dealer and they diagnosed as 4 bad coils. They installed new coils ...
March 10, 2010
1997 Dodge Dakota Sport 3.9L Hesitation, Surge VIN: 12H3H3INFH
P0303: Cylinder 3 Misfire Detected. This truck came in a week ago with a complaint of back firing and surging and bucking when going 45 and up and misfires when you rev it up at idle. when watching the obd2 misfire monitors, when it misfires it is mostley on cyliders 1,3,and 5. I have checked ev...
March 12, 2010
2006 Ford Taurus SEL 3.0L extended crank hot VIN: 1FAFP56U46
thanks in advance for the help. this car came in a week ago with the compliant of extended crank after heat soak, and upon restarting,smell VERY rich and stumbles for a second or two. could not reproduce the symtoms. changed fuel filter, tested the fuel system...
March 12, 2010
1997 Audi A4 2.8L Surge, Misfire, MIL Lamp on VIN: WAUDA88D2V
P0303: cylider number 3 misfire. ... Car came in with poor idle, misfire, surging and check engine light on. Scanned system to find code P0303 (misfre cyl. 3). I then wet down wires to find arching deep in cyl. 3 spark plug hole. Replaced wires and plugs (gapped plugs of course) and sent car ...
March 14, 2010
1998 Ford Ranger XL 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTYR14CXW
P0303: cylinder 3 misfire. really strange problem here. engine runs ok when first started. after revving up engine, it starts to misfire and run really rough. customer had it at dealer they told him it was bad lifters and fuel injectors. he replaced all injectors and lifters, still runs...
March 15, 2010
1998 Ford Ranger XL 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTYR14CXW
P0303: cylinder 3 misfire. really strange problem here. engine runs ok when first started. after revving up engine, it starts to misfire and run really rough. customer had it at dealer they told him it was bad lifters and fuel injectors. he replaced all injectors and lifters, still runs...
March 16, 2010
1999 Ford E-150 Econoline 4.2L Misfire, MIL Lamp on VIN: 1FMRE1128X
P0303: cylinder number miss fire. this van has an engine miss fire under light acceleration at about 1600 rpm and higher. the plugs, wires and coil have been replaced twice. we have already unhooked the egr valve, this makes no difference in the way the van runs. so i think we can rule out the...
March 16, 2010
2002 Honda Civic EX 1.7L MIL Lamp on VIN: 1HGEM22932
P0303: cylinder 3 misfire. ... seen before.Girl brings in car with ses lamp on and code p0303 stored-says AZ sold her a coil and plug and she installed them on cylinder #3.I drive the car-no misfires noticed,drove the car a number of times-could not duplicate condition so I swapped coil...
March 16, 2010
2001 Infiniti QX4 3.5L MIL Lamp on VIN: JNRDRO7Y21
P0303: Cylinder 3 Misfire Detected. ... is my sisters car(FREE REPAIR) and is driving me crazy as is my sister. The MIL light has been on this car for quite a while now and has been ignored. UNTIL NOW!!! She complained that the other day when it was raining out the car was hesitating during acce...
March 16, 2010
1997 Kia Sportage 2.0L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: KNDJA7232V
P0303: Cylinder 3 Misfire Detected. ... p0300, p0301, and a p0302. Spark is okay. Have pulse as well. Injectors are clicking. Vacuum is steady. Compression is good. Problem happens at random start-ups / test drives. I sprayed some carb cleaner into one of the vacuum ports and the idle smoothed o...
March 16, 2010
1997 Kia Sportage 2.0L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: KNDJA7232V
P0303: Cylinder 3 Misfire Detected. ... p0300, p0301, and a p0302. Spark is okay. Have pulse as well. Injectors are clicking. Vacuum is steady. Compression is good. Problem happens at random start-ups / test drives. I sprayed some carb cleaner into one of the vacuum ports and the idle smoothed o...
March 17, 2010
1996 Buick Park Avenue 3.8L No Start, Misfire, MIL Lamp on VIN: 1G4CW52K1T
P0303: 3 Misfie. Hi Guys, I'm in serious need of some help here!!! This might be a little long but I'm going to try and include everything. When the car came in it started and seemed to be running normal while cold. I took it for a test drive and all was well until it shifted ...
March 19, 2010
2001 Nissan Sentra XE 1.8L Misfire VIN: 3N1CB51D01
P0303: Cylinder 3 Misfire Detected. swaped cylinder 2 and 3 coil packs and cylinder 3 and 4 plugs and cylinder 1 and 3 injectors and i am still getting a misfire on cylinder 3 for a few seconds after a cold start in the morning or after letting the engine cool off after starting it.
March 22, 2010
2004 Saturn Vue 2.2L Cuts out VIN: 5GZCZ23D14
P0303: Cylinder 3 Misfire Detected. This vehicle was in a couple days ago for a #3 misfire. I replaced the plugs and that has been resolved. The complaint is now that the vehicle hesitates or cuts out. I hooked up my scan tool and fuel guage. When it happens it feels like the engine is at idle. ...
March 22, 2010
2005 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Surge, Stall, Misfire VIN: 1FTNF21515
P0303: Fault Cylinder 3 Misfire Detected. The vehicle came in for no power problem. It was misfiring bad. We replaced the coils & plugs on cyl. 1,2,& 3 along with the fuel filter. (It had water in one of the plug holes & moisture in the pcm connectors.) The misfire is gone but still runs p...
March 26, 2010
2001 Porsche Boxster Roadster 2.7L No Start VIN: WPOCA29811
hello every one i have a 2001 porsche boxter that has an intermittent no start after sitting for awhile when the car cranks it sounds like it has no compression at first and it sounds almost like a timing chain rattle then after it sits for a few minutes then ...
March 29, 2010
2002 Land Rover Freelander SE 2.5L No Start, Poor Idle Quality, Stall VIN: SALNM22222
P0303: cylinder 3 misfire. Hi everybody. I am begging for yuor help in this one and thanks very much for yuor help. I was called from another shop to give a hand in this problem. The engine overheated so much, that it melted most of things made out of plastic on top of the engine. Cylin...
March 30, 2010