Scotty, my wife has a 2011 Jetta. The car stared hesitating and I check the error code and it said cylinder 4 was misfiring. I replaced the plug and coil on cylinder 4 and everything was great. 3 weeks later same issue. What could be wrong?

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ScottyKilmer
ScottyKilmer

Editor

only use oem factory coils on those, chinese made ones are junk. if not that, wiring or main computer may be damaged too

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