misfire / engine cutting off on 1999 Pontiac Bonneville

how do you test or check the crankshaft position sensor and mass air flow sensor

by in District Heights, MD on May 30, 2011
1 answer
ANSWER by on May 30, 2011
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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