Vacuum Leak?!?!?!?!?
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Joined: Apr 2008
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Vacuum Leak?!?!?!?!?
Need help identifying the problem..
Car: 92 firebird 305 tbi
Problem:go in the car yesterday and once it started before it even reached idle it just bogged down to around 500 RPM then back to a little above 1000 RPM then back down to 500..loosing throttle response almost completely....can anyone point me in the right direction? Thanks!!
Car: 92 firebird 305 tbi
Problem:go in the car yesterday and once it started before it even reached idle it just bogged down to around 500 RPM then back to a little above 1000 RPM then back down to 500..loosing throttle response almost completely....can anyone point me in the right direction? Thanks!!
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Joined: Aug 2008
Posts: 259
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From: Eastern Ohio!
Car: Mystifying 1989 TBI Camaro.
Engine: 1992 350 Truck Engine. TBI
Transmission: 700R4 when it wants to be.
Axle/Gears: 2.73
Re: Vacuum Leak?!?!?!?!?
Try plugging the hose going to the EGR valve to see what happens.
Otherwise, it'll be the same old thing.... Start with the fuel pressure and go from there.
My IAC valve has never failed me, but you could try a search to see if anyone tells how to check it. My EGR system has caused me all kinds of trouble in the past though.
Otherwise, it'll be the same old thing.... Start with the fuel pressure and go from there.
My IAC valve has never failed me, but you could try a search to see if anyone tells how to check it. My EGR system has caused me all kinds of trouble in the past though.
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