5.7 tpi bad fuel milage and getting fuel in brake booster hose !!!!
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Joined: May 2012
Posts: 27
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5.7 tpi bad fuel milage and getting fuel in brake booster hose !!!!
I have a 1991 trans am gta
It has 5.7 tpi engine
I am getting horrible gas milage and I am getting gas into the brake booster hose( I don't know how this is possible)
Needed help ASAP
Have replaced fuel injectors recently and tps
Distributed and has new tune up
It has 5.7 tpi engine
I am getting horrible gas milage and I am getting gas into the brake booster hose( I don't know how this is possible)
Needed help ASAP
Have replaced fuel injectors recently and tps
Distributed and has new tune up
Thread Starter
Junior Member
Joined: May 2012
Posts: 27
Likes: 0
Re: 5.7 tpi bad fuel milage and getting fuel in brake booster hose !!!!
[QUOTE=Ndb;5465579]I have a 1991 trans am gta
It has 5.7 tpi engine
I am getting horrible gas milage and I am getting gas into the brake booster hose( I don't know how this is possible)
Needed help ASAP
Have replaced fuel injectors recently and tps
Distributed and has new tune up
It has 5.7 tpi engine
I am getting horrible gas milage and I am getting gas into the brake booster hose( I don't know how this is possible)
Needed help ASAP
Have replaced fuel injectors recently and tps
Distributed and has new tune up
Joined: Oct 2001
Posts: 12,221
Likes: 1,141
From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: 5.7 tpi bad fuel milage and getting fuel in brake booster hose !!!!
Sounds like a bad fuel PSI regulator. Pull the vac line off and check for raw fuel.
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