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2008 Pontiac Grand Prix 3.8L MIL Lamp on
finally got it fixed. after extensive testing and retesting we got it. long story short we installed 5 throttle bodies. 2 which were ac delco with same issue and 3 app 2 of which were ac delco with same issue scoped signal wires several times at app and could... Trouble codes: P1125, P2138.
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