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1989 Chevy Celebrity Won't start

Tiny
HILLBILLYSUV
  • MEMBER
  • 1989 CHEVROLET CELEBRITY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
I'm a bit stumped here.

The injectors quit pulsing when the engine gets the least bit warm. After 2 minutes at idle.

I have 46lbs of fuel pressure. (Fuel pump is running)

I have spark at the plug wires, and the car will briefly start/run off of starter fluid, but dies as soon as I stop spraying.

I swapped in a good ecm, and the problem is exactly the same.

Any suggestions?
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Thursday, June 10th, 2010 AT 9:06 PM

4 Replies

Tiny
HILLBILLYSUV
  • MEMBER
  • 3 POSTS
Anybody on here or did I just waste my money?

Oh and there are no error codes in the computer, other than 12 which just says it's in diagnostic mode.

There were no codes in the old computer either.
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Friday, June 11th, 2010 AT 9:39 AM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Do you have power on the pink wires at the injector connectors. You should have 12 volts key on at the injectors, and the ECM is controlling ground. If you don't have power, check the ECM fuse.
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Saturday, June 12th, 2010 AT 2:42 AM
Tiny
HILLBILLYSUV
  • MEMBER
  • 3 POSTS
Ecm fuse is good, and problem is intermittent.
(engine will start for a few minutes if left alone for a few hours, although the length of time it will continue to run seems to be getting shorter and shorter)

I'll check for power on the pink wire and report back. Hough.
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Saturday, June 12th, 2010 AT 5:38 AM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
I'll be here.
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Friday, June 18th, 2010 AT 10:22 PM

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