Question about 1990 Nissan 300ZX

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Transmission won't shift

When I drive my car for about 5-7 miles and come to a stop, on restart the transmission will not shift it gets stuck in 2nd gear after I stop the car for an hour and drive again at 45 mph its shifts fine?????

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  • 20years Oct 01, 2008

    I found that someone had my temp sending units crossed up after switching them the car is running fine, The Cooling fan wasn't comming on witch made the car temp hot and the trans went to limp mode. thanks for your help

  • William Whitcomb
    William Whitcomb May 11, 2010

    when you shut the car off can you shift into and out of gear

  • Anonymous Mar 26, 2014

    You Have To Restart The Truck
    Shifts Fine Until You Stop.

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The car is going into what is called "limp mode". It's detecting a problem of some sort that is drivetrain-related (which could mean a faulty sensor or transmission controller, or a fault with the engine), and it's locking the transmission into second gear to protect it from excessive road speed and RPM. Do you have a check-engine light on? Whether you do or not, you may have a stored fault code in the car that can be read with a code scanner, and if so, that'll be a good starting point. If you can get the car scanned, it'd help a lot - post back up with what you find out and we'll take it from there.

Posted on Sep 08, 2008

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