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Daniel Wilson
Daniel Wilson,
Category: Chevy
Satisfied Customers: 4373
Experience:  Owner at DJ Wilson
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1989 Cavalier 4 speed. When its gets to operating temp ,it

Customer Question

1989 Cavalier 4 speed. When its gets to operating temp ,it cuts off. After about 30 min ,it start and run until hot. THe only thing iI have done is changed the muffler system. That is when problem started.
Submitted: 7 months ago.
Category: Chevy
Expert:  Daniel Wilson replied 7 months ago.
Hi my name is***** will be glad to help. I have run into this problem before on this model actually. Did yiu replace both 02 sensors?
Expert:  Daniel Wilson replied 7 months ago.
Is there a new converter as well? The most likely problem is with your EGR valve. Every time I did anything with the exhaust or O2 sensors on that car The EGR valve would end up going. It also cased irratic idle and surging while driving. Are you getting a check engine light?
Expert:  Daniel Wilson replied 7 months ago.
Hi, Did you get this resolved?