Question about 2003 Mercury Sable
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Posted on Jan 02, 2017
If you have 1-2 hours to fiddle with it here is what you can try. It worked on my 1994 and 2002 "4.6" engines.
The airhorn is behind all of the airfilter ductwork. There are about 8 bolts to remove to take off the airhorn. At the base of the manifold there is a gasket and venting to the EGR. Clean out the grooves and passages to the EGR. Check the EGR valve for carbon buildup. Replace the $10 gasket and reassemble. This should help and if it doesn't it cost $10 and a mechanic can't tell you the EGR is dirty.
Posted on Aug 28, 2009
Not saying this for sure, but I had the same problem, and i have a 1994 xr7 V6 3.8 L , and all u need to do is set the idle down manually because your computer could have seen that the injector was stuck open, and tried to turn up idle to keep up with the amount of fuel being pumped, worth a shot :P
Posted on Feb 21, 2009
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