Questions & Answers for: Buick p0303

...p303 whats wrong and how do i fix it the thermostat was just changed and the light will not go out P0303 is a misfire on number 3 cylinder. A thermostat is going to fix a P0303. Check spark plug, ...

have a2003 buick rendezvous 3400 p0303 changed plugs, wires , coilpack ,then i got it did compression check 140psi figured mechanicly good figured injector replaced that and still same misfire. was ...

Terraza P0303 Code. What's most likely cause? Injector, spark plug, wires or any of the above? Getting P0303 which according to the code reader manual is Cylinder #3 Misfire. I had recently ...

Terraza P0303 Code. What's most likely cause? Injector, spark plug, wires or any of the above? Getting P0303 which according to the code reader manual is Cylinder #3 Misfire. I had recently ...

p0300 code misfire p0303 just code 0303 only change spark on front getting ready change went away month a half show again today same code as before # 3 cylinder misfire (PO303) if code is actually ...

code p0303 taping code po303 refers to cylinder misfire no 3 cylinder.===causes engine mechanical fault--wiring--ignition /fuel systems --injector--ECT/MAF sensor--ECM if it has a tapping noise I ...

p0303 misfire misfire an shakeing an I put new plug an wire an same misfire unplug the #3 plug wire from the coil, have someone crank or start so you can check for proper spark from #3 coil tower (a ...

What are the probable causes of DTC P0303? replaced coil pack and spark plugs and still getting code. Sometimes the cel blinks and sometimes it just stays on. ...