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2002 GMC sierra has no take off power?

I have a 2002 GMC sierra, it runs great but has no torque what so ever - it will not even spin on dirt, but has plenty of power going down the road. thanks for any help.5.3 engine

2 Answers

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  • (A)
    Lv 7
    10 years ago
    Favorite Answer

    May need new plugs and plug wires.Could have vacuum leak at map sensor,it controls torque converter lock up.

  • ?
    Lv 5
    10 years ago

    Simply put it on a Dyno and those readings will tell you volumes of information to work with. Yes, it will give you a specific Torque reading.

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