Question about 1998 Mercury Mystique
I have a 2001 Ford Explorer that is running too lean in both banks. It will not idle in cold temp. but does fine in the summer. Last year the check engine light went out when the weather was warmer and the truck acted fine. This summer the truck is still seems to be running ok now that it is warm again but the light is staying on. I put it on the computer and it told me that both banks were running too lean. would the IAC valve couse this or the tps sensor? Any help would be greatly appreciated.
Any of those sensors can cause that but the best thing to do is scan it or check for a vacuum leak with a smoke machine.
Posted on Jul 22, 2009
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Posted on Jan 02, 2017
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