Question about 1999 Ford Explorer

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99 explorer 4.0l(pushrod)idles at 1500 at start up then drops to 1100

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  • laurendeau3 Nov 27, 2009

    I understand that. However this also happens at temp, and often when stopped!

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At start the computer idles the car quicker until it gets a signal that the motor is warming up at which time it cuts the idle speed. this is perfectly normal.

Posted on Nov 27, 2009

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Posted on Jan 02, 2017

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FOLLOW LINK.http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?fromSearchPage=true&pageId=0996b43f80378c6a&partName=Throttle+Position+Sensor&partId=0996b43f80378c6a

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I have a 96 ford explorer v6 with a pushrod motor and after we replaced the pushrods, the head gaskets, the valve cover gaskets and the fuses, the car will not idle. what could be the problem?


Have you adjusted the pushrods properly? Pushrods generally need to be adjusted after installation.

Not sure how to do this on this model, although I own a 94 Ford Explorer with the V6 4.0 Liter motor.

Basically, when a gas engine doesn't run, you check 4 things, and narrow it down from there.

1. Gas (Is gas pressure good, is gas flow strong enough?)
2. Spark (are all spark plugs firing properly? Is spark strong enough)
3. Combustion at each cylinder (timing, pushrod adjustment)
4. Air Flow (MAF/MAP sensor working? Air Filter dirty?)

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