Question about Buick Regal

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Poor acceleration In my 03 Buick regal I am experiencing little to no acceleration. It has moderate acceleration at start up but does not have any passing power or quick acceleration. Even when going up steep inclines it doesn't have the power. Any ideas. Thanks

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  • Richard Scordino May 11, 2010

    Check that computer fuse is not blown and that there are no codes. Also check converter to make sure it's not plugged.

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  • 607 Answers

Check for clogged fuel filter or a clogged catalytic converter

Posted on Apr 21, 2009

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Thanks for using FixYa. The BUICK Regal Mass Air Flow sensor is usually installed in the intake air duct between the air filter and the throttle body mounted on the intake manifold. Also check the throttle body for mass air flow sensors location.
On mass air flow sensors with a sense wire, this wire can become contaminated with dust particles. These particles can be removed with automotive solvents that are safe for the use on mass air flow sensors. Before replacing the mass air flow sensor check for air leaks in the connecting air ducts and intake manifold. These leaks can cause similar symptoms as a malfunctioning mass air flow sensor.

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Please do accept the solution if the issue is resolved or else revert for further assistance.

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