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Old 05-04-2009, 10:04 PM
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Default idle problem

aight guys i have a small little problem with my car sometimes.

when my car is idleling and sometimes while is warming upsometimes the idle goes a little higher after a few minutes.

i have clean the filter,maf,tb and i have changed my pcv valve.

could it be my coolant that needs to be flush or what other things can i check?
Old 05-04-2009, 10:47 PM
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Coolant has nothing to do with idle quality.

First check for any codes with a scanner, whether you have an SES light or not.

A vacuum leak usually cuases the idles to be higher than normal. Also, a failing IAC (Idle air control) valve. Its on the TB and has an electrical plug. top left side of the tb.
Old 05-04-2009, 10:52 PM
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Originally Posted by LS6427
Coolant has nothing to do with idle quality.

First check for any codes with a scanner, whether you have an SES light or not.

A vacuum leak usually cuases the idles to be higher than normal. Also, a failing IAC (Idle air control) valve. Its on the TB and has an electrical plug. top left side of the tb.
ahhh i think its going to be the IAC since I use to get a code for that but I replaced it with one from a extra tb that I had.




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