Question about 2000 Ford Expedition

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I have a 2000 epxedition. I am having mifire issuues but I have narrowed it down. I am just looking for a second opinion. My misfire is being caused by oil in the plug well. When I drive the vehicle for a while, and then park it, you can smell the oil burning off of the exhaust manifold and it is smoking to beet heck. My question is, in order for the oil to b ein the plug well and leak on the exhaust manifold, where is the leak coming from?

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  • Ford Master
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Check your valve cover gasket its fairly easy to replace

Posted on Oct 16, 2013


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Posted on Jan 02, 2017

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SOURCE: Oil Leak Valve Cover

If it is leaking around the valve cover then that is the problem. Just remove the bolts from the valve cover in a cross pattern (ex. back right - front left and go back and foward and work till you make it to the middle. Go purcahse a valve gasket for both right and left and replace them. Tighten in the same cross pattern and be careful no to pinch the gasket.

Posted on Feb 15, 2009

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SOURCE: 1988 Ford F150 exhaust manifold leak repair section

Posted on Apr 03, 2009

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SOURCE: Smoke from exhaust when decelerating on Ford F-350 Powerstroke

Either valve stem seals are leaking or the turbo oil seal is leaking.

Posted on Apr 29, 2009

  • 138 Answers

SOURCE: 1996 F-350 7.3 Powerstroke , truck is running good

Blow by is what you are describing coming out of the oil fill cap. A little is normal, it all depends on the internal condition of the engine. I would not be to quick to say that you have glow plug issues. I would look at replacing the cam censor on the 7.3 engine there is a recall from ford for this on some model year 7.3 liter diesels

Posted on Sep 06, 2009

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SOURCE: Vehicle sputters, bucks, occasionally dies out, rich exhaust fume

The MAF sensor is the likely problem. Ca be clraned w/crc electrical cleaner only. Do not touch , rub,or use compressed air to clean or dry. It's located in the intake duct in one of the metal sections. The plug and wires will give it away. Good Luck-Ned-

Posted on Sep 18, 2009

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