1998 Pon tiac Sunfire

pontiac
sunfire

#1

Car occasionally fails to start or will start and immediately die. Engine turns over, spark plugs are getting spark, but engine either won’t catch or will start and immediately die.


#2

Spray some starter fluid into the intake & see if that makes a difference. If that gets it to fire even a little bit then you need to worry about fuel pressure. This will require a gauge.

When these events do happen, will it eventually start & run? If so, try priming up the fuel system - turn the key to on (no cranking - just dash lights); wait a few seconds; off; back on; wait a few; back on; off…and do that about 7-8 times & then try. If this helps it would indicate a bad check valve at the fuel pump (means you replace the fuel pump).


#3

Thanks, I’ll pass these suggestions on to my daughter, whose car this is, and my mechanic.