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2003 poniac sunfire idles up and down replaced the iac sensor and still didnt fix it what to do air leak in between the throttle body and the injecters cant find where its at any suggestions?
Wiki User
∙ 15y ago
A leaky, disconnected or missing vacuum hose can produce the surging you're referring to. Check your tubing.
Wiki User
∙ 15y ago
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