Question about 1993 Volkswagen Jetta

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Problem passsing the etest

We have purchased a 93 vw jetta for my son and now we can't seem to get it to pass the etest we have replaced the 02 censor . The more we look into it someone has played around and there is a vacum hose off and the fuel return line is plugged off .We would like to ask if you have a diagram on where the vacum lines go and the fuel return lines go to . And with the fuel return line disconnected would this cause it to have a failure on a etest?

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What engine do u have?? 2.0 litre?

Most probably ur problem lies in the catalytic converter, which is part of the exhaust system.

Could also be leaky injectors which would cause the car to run too rich.

Fuel return line can't be blocked off, wouldn't make sense.

Posted on Sep 05, 2008

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