99 GRAND HIGH IDLE

1999 Mercury Marquis

Tiny

oscar7410

May, 16, 2011 AT 1:56 AM

99 grand marquis LS stayed high idled after throttle body cleaned.

2 Answers

Tiny

PROTECH1980

May, 16, 2011 AT 3:00 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.

Tiny

oscar7410

May, 16, 2011 AT 3:23 AM

How do I clean the iac? What do I use to clean it?

Please login or register to post a reply.

Vacuum Leak Test and Repair - All Cars
How to read codes Chevrolet Blazer
Code Read Retrieval/Clear - Dodge Stratus
Code Read Retrieval/Clear Honda Civic