Most definitely. This would be a little different from a vacuum leak, but a leak in the evap system. The cars on-board computer monitors for leaks in the evap lines and sets a trouble code if one is found. Sometimes it can also come up if you don't tighten the gas cap. Good luck with your repairs.
Thanks Luke. The mechanic wants to replace the catalytic converter - $$$
try a smoke test to find the leak
Could a vacuum leak in this system cause failure of smog check?
Volkswagen Vanagon
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Maintenance & Repair
could a vacuum leak cause a smog check failure?
1985 Volkswagen Vanagon
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Maintenance & Repair
I just purchased a 1980 Vanagon Riviera. On first start when the engine was cold it ran great. But after running for a while [about 30 minutes] it would start cutting out then stall and wouldent sta...
1980 Volkswagen Vanagon
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Maintenance & Repair
I am replacing the fuel filter on a 1986 VW Vanagon GL and I notice that there is a white plastic box in the fuel line before the main fuel filter. I have been told that some Vanagons have two fuel ...
1986 Volkswagen Vanagon GL Passenger Van
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Maintenance & Repair
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1985 Volkswagen Vanagon
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Maintenance & Repair
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