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Home >> Cadillac >> 1995 >> DeVille Concours V8-4.6L VIN 9 >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Tune-up and Engine Performance Checks >> Ignition Timing >> Timing Marks and Indicators >> Locations >> Timing Marks

Timing Marks

Ignition timing is PCM controlled and is not adjustable. The factory manual shows no external timing marks for this engine (The internal camshaft chain pulleys are equipped with alignment marks to establish valve timing.).
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