Aftermarket Headers help
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Joined: Aug 2008
Posts: 152
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From: Bridgeville, PA
Car: 1988 Trans Am GTA
Engine: 350
Aftermarket Headers help
88 GTA 350 i put on aftermarket headers, and now the car seems to be choking itself, but when you get on the highway or get the car moving it runs great, but in traffic, it jumps and the idle sometimes is up and down.
Sometimes the check engine light will come on and the car runs like brand new.
am i maybe allowing too much air or not enough. anyone know??
Sometimes the check engine light will come on and the car runs like brand new.
am i maybe allowing too much air or not enough. anyone know??
Joined: Aug 2006
Posts: 12,804
Likes: 103
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Aftermarket Headers help
sounds like something was disconnected during installation and not re-installed. The headers would not cause these issue.
Check vacuum hoses, electrical connections, o2 sensors, ect.
Check vacuum hoses, electrical connections, o2 sensors, ect.
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Joined: Aug 2009
Posts: 76
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From: titusville
Car: 1984 Z28 camaro
Engine: 388 ci stroker
Transmission: 700r4
Axle/Gears: 3:73
Re: Aftermarket Headers help
yeah i agree maybe something didnt go back on what kinda headers are they?
Supreme Member
Joined: Sep 2002
Posts: 9,192
Likes: 19
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: Aftermarket Headers help
Pull the codes for the SES light and see what it is - that would be a place to start.
Thread Starter
Member
iTrader: (1)
Joined: Aug 2008
Posts: 152
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From: Bridgeville, PA
Car: 1988 Trans Am GTA
Engine: 350
Re: Aftermarket Headers help
how can i pull the codes i would have to take it to a garage when the light comes on right, or is there a way.
Supreme Member
Joined: Sep 2002
Posts: 9,192
Likes: 19
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: Aftermarket Headers help
Tech Article from Main Page - lots of great info in tech articles:
https://www.thirdgen.org/service-eng...ht-error-codes
https://www.thirdgen.org/service-eng...ht-error-codes
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Joined: Mar 2007
Posts: 1,804
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From: Raleigh, NC
Car: 1988 Flame Red Trans am GTA
Engine: Forged 355 4 Bolt, FIRST TPI
Transmission: 700r4
Axle/Gears: ls1 torsen 3.42 gear
Re: Aftermarket Headers help
sounds like you need a heated o2 sensor... the stock o2 sensor will not act right with headers..
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