» » »

Pontiac Q&A

Ask Your Question

1999 Pontiac Bonneville Question: misfire / engine cutting off

 

Question

hardwork, 3.8L V6, District Heights, MD, May 30, 2011, 07:47
 Rookie

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

1 Answer
Flag This
  • Answer #1

    mastertech6371 May 30, 2011, 08:48
    Profile_thumbnail
     Master

    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

    Reply
    Flag This