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Oldsmobile
88
Trouble Codes
P Codes (Powertrain)
OLDSMOBILE 88 P CODES (POWERTRAIN)
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Found 1 result
Po420 Code
I Had Random Misfire Code But I Fixed It By Replacing A Faulty Coil. I Have No Miss, But I Now Have A Po420 Code. Replaced Up And Down...
Asked by
Ronald Franklin
·
1 ANSWER
1999
OLDSMOBILE 88
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