EPC/Check engine light - VW Jetta 2003 2.0. Need help/advice please!!!

Channel: Alejandro Gomez

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Lights have been on for a few weeks. Replaced MAF but car ran worse so installed old MAF. Replaced plugs and wires since Autozone said I had a misfire code, didn't help. Car smells of fuel. Any VW owners out there with some tips???