Q: Car is misfiring, losign power and sputtering

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Hello. I'm having some troubles with my car misfiring. The first time of the day, like in the morning, the car would misfire but I would be able to start it. It would calm down. But, now it happens while I'm driving. The car loses power and sputters a lot. What should I chack first? Thank you in advance.

The first thing to check is the computer for any codes. If you are getting misfire codes like P030x, then you have a cylinder that is misfiring. The "x" is the cylinder that is misfiring. Also look for a bad coil, wire, or plug. If you need to help diagnosing your car’s misfiring issue, then get in touch with a mechanic, such as one from YourMechanic, to come and scan the computer and do a visual check of all the pertinent components.

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