Question about 1996 Mercury Grand Marquis
Have checked vaccum, took egr valve off and cleaned it, replaced pressure feedback sensor, checked voltage to sensor, and light still continues to come on.
The Egr ports are plugged in the intake. Remove the throttle body elbow behind the throttle body, and clean out the carbon. I can walk you through it if you need me too. This is common on the 4.6
Posted on Mar 02, 2009
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Posted on Jan 02, 2017
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