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I recently had the fuel pump replaced and now my check engine light is on and the mechanic says it is the fuel sensor, could something have gone wrong when they fixed the pump or is this common?

Answers from the Automotive Experts

Amanda J. Pierce, MBA Rebecca, It is possible that the fuel sensor needed replacement in conjunction with the pump and may have been accidentally missed. A. J. Valle

Kristin Brocoff, Director of Corporate Communications at Unfortunately sometimes when one problem is fixed, it allows your vehicle to see a secondary problem. Other times, the initial diagnosis was incorrect and you're stuck trusting the mechanic to throw parts at a problem. A good way to protect yourself is by using the CarMD Vehicle Health System. This product provides consumers with a way to scan your vehicle, determine the problem and estimate parts and labor using your PC or Apple computer. You can also visit for a free lookup regarding common repairs by year, make, model and mileage. Best of luck to you! Kristin Brocoff, CarMD

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