IAC voltage input
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Joined: Apr 2003
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IAC voltage input
I'm trying to diagnose my intemittent idling problem (stalling and racing idle). According to Haynes, the input voltage (key on engine not running) to the IAC is 10.5 to 12V. Mine is reading about 4-5V. Does this indicate that something is wrong with my PCM or is Haynes wrong. Also the resistance of the IAC is 0 ohms, which is not what the Haynes manual says it should be.
I'm not sure what to check or replace next. Hopefully not the PCM. The IAC is less than a year old. I got it from NAPA, and I remember the guy telling me that there were two available for my X. Now I'm not sure I got the right one. Thanks for any help you can give me.
Travis
I'm not sure what to check or replace next. Hopefully not the PCM. The IAC is less than a year old. I got it from NAPA, and I remember the guy telling me that there were two available for my X. Now I'm not sure I got the right one. Thanks for any help you can give me.
Travis
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Joined: Sep 2003
Posts: 12
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IAC voltage input
I was having idle problems on my 99 XLT.
I checked my IAC according to Hanes and all tests were withing the listed parameters. Not sure but if you purchased yours less than 1 year ago it may be under Warr. I try to buy most of my parts at Auto Zone, They give a lifetime warr. on most items.
I checked my IAC according to Hanes and all tests were withing the listed parameters. Not sure but if you purchased yours less than 1 year ago it may be under Warr. I try to buy most of my parts at Auto Zone, They give a lifetime warr. on most items.
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