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-   3.7L PowerTech V6 Specific Topics (http://www.ramforumz.com/forumdisplay.php?f=182)
-   -   For all you 'rough idling' engines...check this (http://www.ramforumz.com/showthread.php?t=136056)

HorsePullinDodge 03-12-2013 04:55 PM

For all you 'rough idling' engines...check this
 
My 3.7 was a 'rough idler'.....Spent weeks chasing all kinds of coils, injectors, wiring, you name it....I've changed it......

Guess what it turned out to be........one bad motor mount!!!
A slightly worn motor mount caused the engine alignment (via throttle cable) to be off, causing a rough idle.....
Stumbled across this via a old crusty mechanic.
New mount = smooth idle......for me
Good luck!!

tjbiker031 04-10-2013 07:44 AM

Nice! Great find and detective work!

IN2H2O 05-09-2013 08:17 PM

That's interesting. My 4.7 does the same thing randomly. I rebuilt the motor and changed just about everything on it now. It has 2 bad motor mounts and I would have never thought they were the culprit.


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