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2002 chrysler 300m limp mode

I had both speed sensors replaced car still goes into limp mode was told by dealer i needed a trans overhaul not sure why since the car shifts good and does not slip it only goes into limp mode once i hit over 45mph as long as im under it drives fine

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  • Cosku Arsiray
    Cosku Arsiray Nov 19, 2011

    is there any difficulty on starting engine? if it starts is there any idling problems when car is cold or warm? is there any hesitaton when engine is cold and when you try to rev engine in Neutral?is there any delay between N to D or N to R positions? does it lean foward or backward when you shift into D or R?

  • john hanna Nov 20, 2011

    no delay at all it shifts smoth between ND&R no difficulty at all on start up acctually when it goes in limp mode i just turn it off start it up again and back to normal it goes

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You need to be sure that auto trans fluid is in good shape and you need to be sure that it is not missing even little amounts. replace the filter too.

then you need dealer to reset transmission computer for you. if it still happens

if these wont cure you must be sure that selenoids inside transmission are in specs(check on factory service manual for resistance values of each coil).

and be sure that there are no loose electrical connections on transmissions especially a loose ground.

if it shift correctly there may not be a need of overhauling

Posted on Nov 20, 2011

  • john hanna Nov 21, 2011

    im having the trans flushed and the filter replaced plus im having also the solenoid pack replaced ill keep u posted on what the end result is thank u for all ur help

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