Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
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It sounds like a dirty throttle body which will cause airflow restrictions which will make vehicle idle low, stall, or be hard to start. You can get some throttle body cleaner from parts store, spray onto a rag, then use rag to wipe out throttle bore and throttle plate good as possible. If you were to have a shop do this they would charge you around $50, it would take you about 15 minutes to do it yourself. Let me know if you have more questions or if there is anything else I can do to help. Thanks.