Question about 1998 Volkswagen Jetta

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Jetta 98 poor idle. Changed air filter when I do not plug in the computer wire to the air filter box car idles fine,,, ( in driveway) but the check engine light stays on. When we plug in the wire car idles very poor.

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hoss1013

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Your mass air sensor is bad.

Posted on Sep 11, 2011

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