Question about GMC Sierra 2500

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GMC 2500 Sierra keeps stalling

The gmc is diesel as i was reading and it was about a gas filter so that cant be the problem from julie smith

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  • kurtcollis Aug 06, 2008

    Hi its julie again i have cant find the black box and my partner said to me that it is a ex ambulance truck a 98 model gmc desiel i only found 1 black boxs up under the dash could you help please

  • kurtcollis Aug 07, 2008

    Hi sorry i throught that i had said it was a 99 model and anyway thanks for getting back to me i will tell my partner and i hope that is all that is wrong with it. Just one more question does this part make it hard to start as well as stall if it is not working right thanks julie and i will be giving u a great rating as u have been very helpful thanks julie

  • kurtcollis Aug 07, 2008

    hi and yes it is a 6.5 ltr from julie


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Sorry i did not read its was a diesel i seen lot of diesel with that problem you got a 6.5 liter the part thant broken its a injection driver module its a black box in the begining the truck stall and to a point its stall soonner and soonner julie its not cheap its a bad desing the new module come with some wire its was to close to the engine and the heat kill it

Posted on Aug 01, 2008

  • pierre laplante Aug 06, 2008

    is it a 6.5 liter you told me it was 2002 can you clarified that please and please dont rate that as thanks for trying its bad for my rating thanks pierre

  • pierre laplante Aug 06, 2008

    that thing you have to change its on top of engine in the planium you have to remove the planium its under the module is not cheap plus labour good luck pierre


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