Question about 1996 Ford Explorer
Rich running has nothing to do with a tune up unless the engine is misfiring, if it was misfiring you would have a blinking check engine light on while driving. Do an ODB2 fault code test, Autozone and Advance does this for free.
Posted on Feb 20, 2012
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Posted on Jan 02, 2017
SOURCE: 92 ford explorer 4x4 4.0L
That sounds like a possibility. Your engine management system has a cold start circuit. It is equal to a choke. It will keep the mixture rich and limit the engine spark advance. Both affect performance.
Autozone and Oreillys will do a free scan which may pick this up. You would need to change the correct sensor which is usually different than the sensor that operates the dash gauge. A "cold start" condition is a normal occcurence; the duration of the Cold start is something the scanners may not catch.
These types of problems would show up in O2 problems and Rich bank conditions after your Catalytic converter starts complaining. This should not cost much to get you back to 100%.
Posted on Aug 31, 2010
Diagnostic Trouble Code (DTC) P0443 indicates a failure in the EVAP canister
purge valve circuit.
Posted on Aug 01, 2009
You didn't tell me if you have a 6 cyl, 8 cyl or 4WD, so i'll give you a link where you can check the engine you have. Scroll down the page to Explorer and click on the engine you have...
Posted on Oct 06, 2009
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