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99 GRAND MARQUIS HIGH IDLE
1999 Mercury Marquis
99 grand marquis LS stayed high idled after throttle body cleaned.
Monday, May 16th, 2011 AT 1:56 AM
Check for possible vaccum leak, loud hissing or sucking sound in and around engine compartment, if checks ok, try to clean IAC and see if idle changes, if not replacement may be necesary.
Monday, May 16th, 2011 AT 3:00 AM
How do I clean the iac? What do I use to clean it?
Monday, May 16th, 2011 AT 3:23 AM
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