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Author
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Topic: check engine light
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88blackstanggt
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Member # 4654
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posted
 
 
at high rpms in my supercharged 88 the check engine light comes on and it will start missing. i thoought it was o2 sensors but i just replaced them and it still happens. any suggestio0ns would be greatly appreciated.
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2001 lightning all stock
1991 gt all stock
2005 kawasaki zx10r
Posts: 232 | From: Antioch | Registered: Jun 2004
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Fostang
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Member # 3752
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posted
Yo Andrew what size maf do you have?
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67' Fastback TT 408
67' Camaro Lsx
64' Corvette Fuelie
57' Chevy Bel Air Lsx
68’ Pony Convertible
66’ Pony Coupe
Posts: 3011 | From: Stockton/Danville | Registered: Nov 2003
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88blackstanggt
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Member # 4654
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posted
its a 77mm prom cal'd for the 24s and the supercharger.
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2001 lightning all stock
1991 gt all stock
2005 kawasaki zx10r
Posts: 232 | From: Antioch | Registered: Jun 2004
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white1990stang
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Member # 2307
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posted
why arent you running the 30's? do you have an air fuel gauge? i bet its going lean
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You must be fast, cause I was haullin ass when I passed you.
Posts: 1308 | From: martinez | Registered: Jan 2003
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PunkINa5.SLOW
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Member # 10
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posted
When you are on it under boost near the top of the RPMs does power nose over and your check engine light flicker or come on?
Or is it after you run it out under boost and near the top of the RPMs then shift that it comes on?
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OUTTA THA DRAMA
R.I.P. MIKE STARKEY MY BABY BROTHER
12/8/77-5/17/03
Posts: 2495 | From: MTZ | Registered: Sep 2000
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Maxoctane
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Member # 1466
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posted
scan the codes before you do anything
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www.maxcarauto.com
BUY/SELL/TRADE/FINANCE
Posts: 332 | From: Martinez | Registered: Jun 2002
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88blackstanggt
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Member # 4654
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posted
the light comes on under boost and then it will start missing. the air fuel gauge doesnt read lean until after the check engine light is on and after it starts missing. the 30s i got leak. i got to clean them out some time just havent gotten around to it. dont know if it was my fault or not but im not trippin.
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2001 lightning all stock
1991 gt all stock
2005 kawasaki zx10r
Posts: 232 | From: Antioch | Registered: Jun 2004
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white1990stang
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Member # 2307
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posted
yeah pull the codes, get those injectors in there and get that thing tuned
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You must be fast, cause I was haullin ass when I passed you.
Posts: 1308 | From: martinez | Registered: Jan 2003
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88blackstanggt
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Member # 4654
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posted
i wish i could get it tuned but i dont have the money for that kind of thing. as for the injectors i am working on a way to get them cleaned out or if i even can.
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2001 lightning all stock
1991 gt all stock
2005 kawasaki zx10r
Posts: 232 | From: Antioch | Registered: Jun 2004
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Fostang
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Member # 3752
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posted
I have two sets of 30's and maf's one is a pro m calibrated for supercharger applications also have the fmu calibrated for 30's.
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67' Fastback TT 408
67' Camaro Lsx
64' Corvette Fuelie
57' Chevy Bel Air Lsx
68’ Pony Convertible
66’ Pony Coupe
Posts: 3011 | From: Stockton/Danville | Registered: Nov 2003
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