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1998 Oldsmobile 88 Royale 3.8L Misfire, MIL Lamp on
Posted to GM Driveability on 6/30/2004 9 Replies

Vehicle came in for coolant loss and MIL. Pressure tested coolant system, open throttle plate and watched Dexcool run out of intake. Changed upper plenum and plugs. Cleared p0306 and test drove vehicle. Ran great. Released vehicle to customer. The next day cus...

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  Related Documents & Media  1998 Oldsmobile 88 Royale

 
Message Closed w/FIX

car Vehicle Data

1998 Oldsmobile 88 Royale

VIN 1G3HN52K7W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0306Cylinder 6 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Oldsmobile 88 Royale

VIN 1G3HN52K7W
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0306Cylinder 6 Misfire Detected