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1991 Geo Prizm I NEED HELP!

Tiny
SPICIMA
  • MEMBER
  • 1991 GEO PRIZM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 141,000 MILES
Ok, im pretty sure I need to change the air idle control valve. But when I went online to buy the part the picture of it doesnt look anything like what im looking at on my car. What im looking at is right beside the throttle body and has two hoses coming out. The one in the picture online looks like it should have four hoses coming out because it has four holes. Can someone help and tell me where the idle air control valve is on a 91 geo prizm and what it looks like.
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Thursday, August 14th, 2008 AT 11:04 AM

2 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
It is right at the throttle plate but it has a plug not holes, what your talking about might be a vacuum componant. The iac has a little rounded point
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Thursday, August 14th, 2008 AT 11:26 AM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
The one that has two hoses coming out is called the Bi-Metal switching valve and vents to the cannister based on coolant temp.
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Friday, August 15th, 2008 AT 5:57 AM

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