1998 Oldsmobile 88 Royale 3.8L Misfire, MIL Lamp on
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...
FIX posted 7/1/2004
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Message Closed w/FIX
Vehicle Data1998 Oldsmobile 88 Royale
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1998 Oldsmobile 88 Royale
VIN | 1G3HN52K7W |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0306 | Cylinder 6 Misfire Detected |