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    Why is my 5.3 liter engine so under powered? Has no power and uses too much gas.

    0  Views: 490 Answers: 2 Posted: 13 years ago

    2 Answers

    Carburetor needs a tune-up....sounds like it's running rich in fuel...and your tire pressure can be low.

    use a leaner mixture of gas. Have you been getting the oil changed regularly and been getting tune-ups ? Does the exhaust smell ? Maybe you're burning oil.


     



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