Starts but shuts off when hitting the gas peddlw

Asked by GuruSPCQN Jun 11, 2019 at 12:04 AM about the Mercury Mariner Hybrid

Question type: Maintenance & Repair

It will start up but when I go to step on the gas
peddle it shuts diwn

1 Answer

89,645

Could be caused by the throttle body clogged with carbon, a defect in the mass air flow sensor, or an O2 sensor. Might be the idle speed controller, a clogged EGR valve, or a vacuum leak. If you have any warning lights take car to an auto shop and have codes read, probably free, so you'll know what areas your problems are in. Then have a mechanic check it out.

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