Q: What could cause sparking while accelerating

asked by on July 13, 2017

My fiance and I have a Mitsubishi eclipse and we just replaced the alternator and the battery. When we took it for a test drive there was a loud whistle and sparks when he accelerated. We thought of everything we could think it would be but we don't know.

My car has 179000 miles.
My car has an automatic transmission.

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