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  1. #1
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    Default 06 gxp Running hot

    Hey, Iím new to the group but i already have a question. So i have a 2006 Pontiac Grand Prix GXP 5.3 and itís been running hot constantly (hot coolant display) for about a week after about 8 mins of driving.Coolant is good. Fans kick on. No obvious leaks from water pump or radiator. Replaced thermostat and coolant temperature sensor but still runs hot. Any advice on what cold be the cause of the issue.

  2. #2
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Default Re: 06 gxp Running hot

    What is the sensor saying on a scan tool?

    Is it doing a hop skip and jump in temp? Like going up slowly like normal and then just pegging it self hot?

    SMGPFC Member #1

  3. #3
    SE Level Member
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    Default Re: 06 gxp Running hot

    I havenít tested the sensor itself on the scan tool now when i did scan it, the sensor was the only thing that came up on codes. It takes about 10 minutes of driving for it to run hot

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