TBI dumping fuel
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Joined: Jul 2015
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TBI dumping fuel
I got a 92 bird with 305 rebuilt the motor just dropped in, rebuilt the TBI and now when I turn the key it don't spray it dumps fuel literally. So is there something I missed on wiring or on the rebuild of the stock TBI
Joined: Aug 2011
Posts: 661
Likes: 7
From: Texas
Car: 91 Firebird/88 Firebird/91 Formula
Engine: V6 3.1/V8 5.0/V8 5.0
Transmission: 4L60/700R4/4L60
Axle/Gears: 3.23/2.73/2.73
Re: TBI dumping fuel
Is it one injector or both. My guess would be a torn 0-ring or a ruptured diaphragm.
Supreme Member
Joined: Apr 2010
Posts: 1,015
Likes: 5
From: Modesto, California
Car: 88 Firebird Formula
Engine: LO5 5.7 TBI/Ebl Flash
Transmission: 700R4
Axle/Gears: 2.73 stock rear end
Re: TBI dumping fuel
Either way, your going to need to rebuild your FPR. 99.9% chance it's going to be something wrong in your FPR
Edit: It should probably be called injector pod not FPR sorry
Edit: It should probably be called injector pod not FPR sorry
Last edited by Ghettobird52; Oct 19, 2015 at 04:39 PM.
Thread Starter
Junior Member
Joined: Jul 2015
Posts: 23
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Re: TBI dumping fuel
Got the problem fixed it was the rubber O ring just below the screen. The kit I was given was short the two screens and the two O rings that sealed them now to the next problem
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