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2003 Mazda 6 S 3.0L Misfire, MIL Lamp on
Posted to Asian Driveability on 11/6/2009 11 Replies

We have this Mazda that is setting a cyl. 4 misfire code only when held above 3000 rpm. I have swapped coils, injectors, spark plugs, and replaced uppper plenum seals with no change. I have confirmed pcm is identifying correct cylinder by removing coil from pl...

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  Related Documents & Media  2003 Mazda 6 S

 
Message Closed

car Vehicle Data

2003 Mazda 6 S

VIN 1YUFP80D13
Engine3.0 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAbove 3000 RPM

Trouble Codes

P0304Cylinder 4 Misfire Detected
Message Closed

car Vehicle Data

2003 Mazda 6 S

VIN 1YUFP80D13
Engine3.0 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAbove 3000 RPM

Trouble Codes

P0304Cylinder 4 Misfire Detected