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If it goes dead when under load like a/c kicks on, then it's highly likey that you need to clean the throttle body. The throttle body is simple to remove. Use throttle body cleaner and clean the back and all ports. Always disconnect the batter before removing throttle body, it will mess up electronic memory if you don't.
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Idles at 3000 will not go down?
idles at 3000 will not go down 1993 grand prix gtp
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