Warm Jetta Dies

courtesy of Bob, The Auto Answer Man

I have a '86 Jetta GL. After driving for a short time ( it seems like when its warm out) it stops running and I have to get off the road. If I let it sit for a while it starts up. Got any ideas? Also a OXS light comes on. I can't find any thing on that eather.
Barb J.

Dear Barb,
It sounds like your catalytic converter is dead. When it get hot the pores close down and create a lot of back pressure. This in turn chokes out the motor and does not allow the exhaust to flow. They don't usually get in this condition on their own. The OXS light you see is probably a warning light indicating that the oxygen sensor is no good. This is what tells the computer what to do with the fuel. If it runs incorrectly, it could cause that catalytic converter to malfunction.
Good Luck!
Drive Safely!
Bob, The Auto Answer Man

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