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1994 Pontiac Grand Prix starts for one second then dies

Tiny
WJONES501
  • MEMBER
  • 1994 PONTIAC GRAND PRIX
Electrical problem
1994 Pontiac Grand Prix 6 cyl Front Wheel Drive Automatic

installed steering collumn when key is turned on it will start for a second thin dies.
Wednesday, March 25th, 2009 AT 12:30 AM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Do you have a security light flashing? If so you must reset the security system.

Check the fuel pressure with mechanical gauge and check spark to isolate problem.
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Thursday, March 26th, 2009 AT 7:58 AM
Tiny
WJONES501
  • MEMBER
  • 7 POSTS
No security light. Starts easy then dies immediately. Do I need to check fuel system or computer system?
Have meter.
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Monday, March 30th, 2009 AT 8:06 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Yes check fuel pressure, it sounds like pump is energizing, then shutting off, engine would only run for a few seconds on a pressurized system with pump off.

May older GM cars use oil pressure backup system to start pump if FP relay fails, is oil pressure reading good?

Also if it has a security system, that may be the cause, you would have to reset the security system.
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Tuesday, March 31st, 2009 AT 6:04 AM

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