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Author
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Topic: EGR Question
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Built88LX
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Member # 10758
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posted
 
 
Im trying to fix my car before I send it to a reputable mechanic.car is 88 Mustang starts up an runs,but after about a minute idle starts surging real bad until car shuts off.not sure if the egr is bad or possibly a different sensor.car has no check engine light on so im confused.any help would be appreciated thanks.
Posts: 2390 | From: $acramento | Registered: Mar 2011
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fredfifty
Since
9/2010
Member # 10320
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posted
idle air control valve?
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RIP EDSON VELORO
IM A NOOB, EXCUSE ME. THANKS.
92 LX Coupe 5.0 CARB'd BOLT-ONS SMOG LEGAL
62 Rag Impala
Posts: 4948 | Registered: Sep 2010
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Built88LX
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Member # 10758
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posted
I havent replaced it personally,but the previous owner said everything was replaced except fuel pump and O2 Sensors. Is there any way to test the IAC Valve or do I just replace it when my idle starts to surge really bad?
Posts: 2390 | From: $acramento | Registered: Mar 2011
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fredfifty
Since
9/2010
Member # 10320
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posted
take it off and spray some carb cleaner in there to get the buildup out...
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RIP EDSON VELORO
IM A NOOB, EXCUSE ME. THANKS.
92 LX Coupe 5.0 CARB'd BOLT-ONS SMOG LEGAL
62 Rag Impala
Posts: 4948 | Registered: Sep 2010
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Built88LX
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Member # 10758
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posted
Im gonna pull it off today and clean it and ill be sure to post results after im finished.thanks for the much needed advice. ![[patriot]](graemlins/patriot.gif)
Posts: 2390 | From: $acramento | Registered: Mar 2011
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Blind
2.3L
CAFords OG
Member # 3052
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posted
not necessarily need to replace the parts, codes showing a fault at all 3 like that could point to a vacuum leak, which would also explain your weird idle.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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JZTRK
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Member # 7641
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posted
DIRTY IAC or IAC gasket
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ANY THING PAST FIRST AND IM BREAKING THE LAW !!!
1990 lx Hatch (sold) 2014 GT Track Pack (sold) 2016 GT350 (sold)
1 of 16 2019 kona blue GT350R
Posts: 771 | From: My 44 Magnum says HI | Registered: May 2007
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Built88LX
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Member # 10758
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posted
Update: Removed and cleaned IAC valve.after all was said and done car doesnt run any better.
Posts: 2390 | From: $acramento | Registered: Mar 2011
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