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ok i bought a 93 firebird 3.4 t5. the car sat for 2 years i replaced wires,plugs,oil,coolent,battery,alt,. the car has 140k but has a new clutch and motor. well i just took it out for a test drive and the car seems to lack power at high speeds i mean my 95 which it an auto kicked my butt. so i thot maybe it was just me so i had my mom drive it and the auto still took her. where should start to find out whats going on? thanks
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Re: lacking power
fuel filter or pump possibly. Check them both or try replacing the filter first, alot cheaper. -
Re: lacking power
ok i just got done with the filter and it seems to help but its still lacking so i go for the pump now?Originally posted by Kronic BudzComment
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Re: lacking power
im not sure myself, so im not going to tell you to jump into something that might cost you a pretty penny.Comment
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Re: lacking power
Is it feel like when you accelerate it bogs down than picks up? If so put a fuel pressure gauge on the rail and check the psi. It may be a pump if the pressure is low. Mine was doing this. Sometimes hard to start and I couldnt isolate it. So i took it to the dealer and my psi was about 17. LOLComment
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