Question about Chevrolet Suburban 1500

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2002 Chevrolet Suburban //While driving on interstate for over several hours and during some 89 degrees weather the engine will stop and you are force to the side of the road. Turn off the key and then try a restart and it works and off you go again however happen again 3 more times before reaching home. Help. Also it will not do same in every day driving. Thanks Bill

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  • nadicks Aug 22, 2010

    Is there a procedure computer check for both MAP sensor and throttle control module ?

    Thanks
    Bill

  • nadicks Aug 22, 2010

    Is there a computer procedure check for MAP sensor and throttle module ?



    Thanks

    Bill

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1 Answer

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If it is restarting immediately this is a throttle control module problem or MAP sensor problem possibly a lose connection. If you have to let it sit to cool down it is over heating, remove the thermostat when it cools down and see if that solves the problem.

Posted on Aug 21, 2010

  • James Young Aug 22, 2010

    They can test them at the dealer but won't if you carry it in. I was thinking more on this problem and with the everything you describe, I would do a timed test. Select a route and drive till the problem occurs. Wait till you can restart then time how long it is before the problem appears again and then one more time. If the times are pretty constant your problem most likely will not be either of these sensors. If the problem is constantly within the same time period I would look at the problem being the Fuel Pump. If the fuel pump develops a hot condition it will shutdown. Since the fuel pump is submerged it is hard to test when out of the vehicle. You do not want to test with anything but gas and that would put your hands in a bucket of fuel for a long period of time testing this. You wouldn't want to just outright replace the fuel pump as they are pretty expensive.

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