by jamesk on October 12th, 2006

jamesk

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What commonly causes the emission light on a Volkswagen Jetta TDI to come on?

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  • by pinname04 on October 12th, 2006

    pinname04

    it may be a prob with your O2 sensor in the intake...otherwise its a problem within the exhaust system, from the headers back. sometimes backpressure or the like.

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