Question about 2004 Mercury Grand Marquis
Posted by Anonymous on
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Posted on Jan 02, 2017
it sounds like the idle control valve is sticking. it is located at the throttlebody where the air inlet is. try tapping the valve to see if the idle is ok if so the valve should be replaced
Posted on Nov 24, 2008
COULD BE THE EGR VALVE PORT HOLE IN THE INTAKE MANIFOLD IT COULD HAVE CARBON BUILT UP BLOCKING THE HOLE CLEAN IT A SMALL WIRE OR SCREW DRIVER.
Posted on May 05, 2010
the code is usually found on stickers on the trunk hinges. if not remove the drivers door panel, the code is on the module that is in the door. use that code to access all functions including setting your own code.
Posted on Sep 05, 2010
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