Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hello, my name is***** usually means the throttle body assembly has failed. You can start by cleaning and inspecting connections but if that doesn't help you will need to replace. Here are replacement instructions, let me know if there is anything else I can do to help. Thanks.
Here are also testing instructions but replacement of throttle body is problem 95% of time. Let me know if you have more questions, thanks.