car idles like *** at startup need some ideas
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Joined: Jun 2006
Posts: 463
Likes: 9
From: Milford, OH
Car: 91 Z28 - using 87 electricals
Engine: 383 HSR EBL
Transmission: 700R4 - Stage 3 Fixed Pressure
Axle/Gears: GM 3.08 POSI
car idles like *** at startup need some ideas
my car idles really badly and frequently stalls when i fire her up after shes been sitting for more than a couple of hours. but olnce she warms up she idles and drives fine.the rpms go up to 1500 thabn fall flat to 500 and than the cxar stalls. this just starteds after i got cvode 36 (maf burnoff relay). i re[placed the relay and the code is gone. any ideas anyone?
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Joined: Jan 2003
Posts: 1,931
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
Originally Posted by Green89IROC305
my car idles really badly and frequently stalls when i fire her up after shes been sitting for more than a couple of hours. but olnce she warms up she idles and drives fine.the rpms go up to 1500 thabn fall flat to 500 and than the car stalls. this just starteds after i got cvode 36 (maf burnoff relay). i re[placed the relay and the code is gone. any ideas anyone?
check for vacuum leaks aswell. So after the new relay , what happens now ?
Thread Starter
Member
Joined: Jun 2006
Posts: 463
Likes: 9
From: Milford, OH
Car: 91 Z28 - using 87 electricals
Engine: 383 HSR EBL
Transmission: 700R4 - Stage 3 Fixed Pressure
Axle/Gears: GM 3.08 POSI
the only vaccum hose that is unplugged it to the egr because if i plug it in the car idles realy bad. and after i replaced the relay is when the idle started to get bad. but the idle is only bad on startup and not once its warm.
Thread Starter
Member
Joined: Jun 2006
Posts: 463
Likes: 9
From: Milford, OH
Car: 91 Z28 - using 87 electricals
Engine: 383 HSR EBL
Transmission: 700R4 - Stage 3 Fixed Pressure
Axle/Gears: GM 3.08 POSI
sorry to bump but i really am at a loss as to what could be causing the poor idle at startup. i need some sugestions. anyone ever had this happen to them?
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