need help
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Junior Member
Joined: Aug 2014
Posts: 8
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need help
i just put my tpi back on my 85 camaro its been off for years so i put a new aem fuel pump and some used lt1 injectors on it and it will not start cranks good and will hit on starting fluid any input would be appreciated
Supreme Member
Joined: Jul 1999
Posts: 5,183
Likes: 42
From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
Re: need help
Supreme Member
Joined: Jul 1999
Posts: 5,183
Likes: 42
From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
Re: need help
If you have verified fuel pressure and we know you have spark (via starting fluid), then the injectors are not firing (or getting signal to fire)...or if they are, then they are plugged up.
Supreme Member
Joined: Jul 1999
Posts: 5,183
Likes: 42
From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
Re: need help
Remember, the noid light will tell you if the ECM is trying to fire the injectors...one side should flash when the engine is spinning over.
Let us know.
Let us know.
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Supreme Member
Joined: Jul 1999
Posts: 5,183
Likes: 42
From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
Re: need help
My best guess, is the used injectors are clogged, plugged up...if you have fuel pressure at the rail, and the signal to fire the injector is there...what else could it be? (asking, surmising)
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Joined: Nov 2008
Posts: 1,529
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From: Rockville Centre, NY
Re: need help
sometimes you can luck out with used injectors functioning properly, however it depends on how long they were sitting and what condition they are in.
