why would car run a half hour then stall on 1991 Buick Skylark

runs fine awhile then it just stalls have to let it set about 15 minutes then it will run fine for a few then stall again

by in Richford, NY on May 13, 2013
3 answers
ANSWER by , May 13, 2013
My guess is a defective crankshaft sensor.
ANSWER by , May 14, 2013
number #1 is correct, does the vehicle fire back up immeditly or do you have to let cool
ANSWER by , March 31, 2016
Im having same problem. Research is telling me its either crankshaft or head gasket. Let me know which one you do/did and if it worked