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1994 Chevy Astro 1994 Astro Won't start

Tiny
MCLEODWERNESS
  • MEMBER
  • 1994 CHEVROLET ASTRO
Engine Performance problem
1994 Chevy Astro 6 cyl All Wheel Drive Automatic

Our 94 Astro will start with no problems when the engine is cold but will idle funny and shut down once the engine heats up. Then will not start again until engine is dead cold again. Has a new fuel pump and is energizing. Seems that no fuel is reaching injectors but will fire when hot when starting fuel is sprayed into air cleaner. Any ideas what it could be?
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Tuesday, December 30th, 2008 AT 4:28 PM

2 Replies

Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
Oops, sorry.
I didn't read all of your post the first time.
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Tuesday, December 30th, 2008 AT 7:24 PM
Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
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sorry, I didn't read all of your first post.

Pick up a noid light set.

I got mine at a parts store for less than 20 bucks.

Find the one with the correct plug and connect it to the pigtail for the injector.

It will have a dim flash if the ECM is trying to fire the injector.

If you get flash, then the injector is bad.
If you dont get flash we'll have to do some testing up stream.

Good luck
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Wednesday, December 31st, 2008 AT 6:20 PM

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