1991 Pontiac Grand Am back firing in enjector bowl

Tiny
HYU
  • MEMBER
  • 1991 PONTIAC GRAND AM
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
Wene cranking back fires in enjector bowl after cranking a few times engine starts and runs good does not smoke. Replaced and cheked timing chain for proper markes could it have a bad crank sensor
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Monday, November 30th, 2009 AT 9:19 PM

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Tiny
BMRFIXIT
  • EXPERT
Check fuel pressure and fuel pump
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Monday, November 30th, 2009 AT 9:24 PM

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