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Old 02-26-2018, 04:39 PM
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TBI 305 help
90 rs 305 TBI. i got a high idle at about 3000- 4000 rpm at start up and once it idles down and i rev it or put it in gear it jumps back up. i need help asap. thanks
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Old 02-26-2018, 08:27 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
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Axle/Gears: J65 pbr on stock posi 10bolt
Re: TBI 305 help
Have you checked for vacuum leaks ?
Check the base of the tbi .
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Old 02-26-2018, 10:44 PM
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Car: 1988 Trans Am
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Re: TBI 305 help
Originally Posted by Tuned Performance
Have you checked for vacuum leaks ?
Check the base of the tbi .

They are famous for failed base gaskets.
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