Questions & Answers for: Volkswagen Jetta fix failed smog test

Question about 1999 Jetta

2 Answers

...fix it or just disable the car on the spot? Most of the Smog testers need to use the speedometer for testing since they have to test your vehicle emissions at 15mpg, 25 mph, etc. So you will likely ...

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failed please tell me what i can do to get my car to pass smog thank you if this vehicle is driven in the city almost exclusively, take it out on the freeway a good 30-40 miles prior to taking it back

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...failed the smog test. The problem lies with the engine not burning the fuel properly. This could be caused by a lot of different things, too many to try to describe here. Hope this helps, worm1855. I ...

failed on emissions part..check engine light is on for multiple things do I need to fix all to get car to pass smog? Fuel injectors and O2 sensor. ALWAYS PERFORM TESTS AND REPAIRS ON THE FIRST DTC AND

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