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Q: Engine Light coming on after spark plug change

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The Engine Light keeps coming on. This started when I replaced the spark plugs. In addition, the car stalls when on inclines.

You may have a vacuum leak from a broken line, loose hose to the air box, or another type of leak. A diagnostic inspection of your Check Engine Light from a qualified technician, such as one from YourMechanic, can help you determine the cause, and fix your issue.

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