2.8 idle and hesitation
02-16-2012, 10:12 PM
#1
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Car: 87 camaro rs
2.8 idle and hesitation
So i got this car around april of last year and it has been sitting in my backyard. Ive been repairing it little by little. I noticed when i turn it on it it idles at about 1500 to 2000 rpm and stays that high for about ten minutes, also when i hit the gas pedal it hesitates and takes a second to rev up. Any ideas of what could be my problem? Any help is appreciated.
02-24-2012, 10:45 AM
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Car: 1985 sport coupe
Engine: was 2.8 now 3.4
Transmission: 700r4 auto
Re: 2.8 idle and hesitation
check the timeing and IAC. the IAC have been known to be the answer in this problem. this also could be due to a vacume leak.
02-24-2012, 04:53 PM
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Car: 1983 camaro sport coupe
Engine: 2.8l v6 - stock motor
Transmission: NWC t-5
Axle/Gears: whatever came stock (?)
Re: 2.8 idle and hesitation
The hesitation sounds like a faulty accelerator pump to me.
02-26-2012, 02:35 AM
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Re: 2.8 idle and hesitation
I would check the tps and the throttle position because mine would idle around 1450 when it was warm and i found out the screw that stops the throttle from bottoming out was screwed all the way out and reset it to a length that would keep a stable rpm with all my accessories running. If that checks out good check the vacuum lines.
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