Question about 1999 Mercury Villager
I have a 1999 mercury villager that has a slight misfire at idle but does not seem to affect performance much when off idle. The tachometer is also stuck at 2500 rpms. Code P303 shows. I also hear a sound like a vacuum leak but cannot find. I Changed plugs and the plug wire on #3 tested ok.cannot get at the injector to check because of the intake manifold
First clean the MAF sensor with carb cleaner several times with spray.
Then spray short bursts around intake manifold connections to see if idle flares up. That is where leak is.
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Posted on Apr 24, 2010
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Posted on Jan 02, 2017
Check the following
Posted on Feb 07, 2009
his problem is caused by the failure of the circuit board that operates the tach needle, you will have to remove the instrument panel then the tach from the panel and send it out for repair to an authorized Nissan electronics repair center, contact your local dealer for the name and number.
Posted on Dec 01, 2008
yes about the upper intake and the only way i know how to check the coils is with a engine anilyser or if the check engine light comes on then you can have the codes pulled and that will tell you which cylender is missfiring this engine has a indevidual coil for each spark plug so thares 6 of them and thay slide right down over the sparkplugs
Posted on May 05, 2009
You can clean the area really good with degreaser and apply JB Weld but that is only a temporary fix it will leak again
Posted on Oct 04, 2009
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