Question about 2004 Ford Explorer

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Running rough at idle. no codes after a scan.

Running rough at idle. no codes after a scan. replaced all spark plugs,checked all wires. mode 6 code "MID$A1 TID$82" appears.

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I don't know what kind of scanner you are using. usually when there is mode 6 data there was a fault code stored and the pcm recorded it. if this is a 4.0 they have a couple vacuum leak problems either at intake gaskets or egr o-ring at manifold. you can hook up a vacuum gauge and see if it bouncs at idle,make sure hook it up to vacuum souce that work give you an improper reading and cause engine to act up,you diag will be compromised. try like a powerbrake booster hose close to intale as possible. this is just a guess from info i have to help you with. you can maybe run a running compression test to see if you have a bad follower or valve. don't run engine too long like this though,you will see a problem in the valve train if there is one.

Posted on Jul 18, 2009

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