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1988 s-10 blazer high idel problem


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sleeper7295
10-12-2008, 10:13 AM
it is ideling around 3000 rpm and smoking it has new iac,map,tps,and inition moduel. new tune up and valve seals the comprecion is averaging 145 psi I an stumped how do I fix this problem?

MT-2500
10-12-2008, 10:20 AM
it is ideling around 3000 rpm and smoking it has new iac,map,tps,and inition moduel. new tune up and valve seals the comprecion is averaging 145 psi I an stumped how do I fix this problem?

What engine?

For real high idle check gas linkage and vacuum leaks.
Also if a TBI pull it and replace base gasket.

foxdude
02-04-2009, 07:20 PM
My 2.8 was doing that, If thats what You have un-plugg the temp. sensor thats on the front of your intake, right in front of the TBI, if the idle drops its a bad temp sensor, replaced mine and it idles normal now

MT-2500
02-04-2009, 07:30 PM
My 2.8 was doing that, If thats what You have un-plugg the temp. sensor thats on the front of your intake, right in front of the TBI, if the idle drops its a bad temp sensor, replaced mine and it idles normal now

Welcome to AF.
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MT-2500
02-04-2009, 07:30 PM
My 2.8 was doing that, If thats what You have un-plugg the temp. sensor thats on the front of your intake, right in front of the TBI, if the idle drops its a bad temp sensor, replaced mine and it idles normal now

Welcome to AF.
This post is old and dead.
Always check date on post and if it is old leave it rest in peace.

MT-2500
02-04-2009, 07:30 PM
My 2.8 was doing that, If thats what You have un-plugg the temp. sensor thats on the front of your intake, right in front of the TBI, if the idle drops its a bad temp sensor, replaced mine and it idles normal now

Welcome to AF.
This post is old and dead.
Always check date on post and if it is old leave it rest in peace.

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