1999 Pontiac Bonneville Q&A

1999 Pontiac Bonneville Question: misfire / engine cutting off

how do you test or check the crankshaft position sensor and mass air flow sensor -
Answer 1
most techs will use a scope to watch the patterns. a shop can do this for you for a nominal fee. that will pinpoint your failure, if they are suspected. did you check the basics first, like plugs, wires and coils?? Roy -
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how do you test or check the crankshaft position sensor and mass air flow sensor