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1992 Pontiac Grand Am No start

Tiny
CHRISDOE
  • MEMBER
  • 1992 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 220,000 MILES
I have replaced the coils, Computer, (ECM) coil modulator, cleaned the spark plugs, cleaned the contacts for the plugs and plug wires, I have done a scan using a ez-link scan tool and no codes come up but still wont start. Its a 2.3 quad engine. Could it be an injector interupting the ecm curciut?
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Tuesday, September 1st, 2009 AT 11:09 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure to rule the fuel pump and check for injection pulses
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Wednesday, September 2nd, 2009 AT 1:25 AM
Tiny
PKUNZ
  • MEMBER
  • 2 POSTS
Check the fuel pressure regulator
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Wednesday, September 2nd, 2009 AT 2:07 AM

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