When I turn on my AC my truck strats to sputter when I'm driving
2 Answers
BritishTech77 answered 10 years ago
Either your AC compressor is locking up and putting a strain on your engine. Unplug your AC compressor from engine and you will know!
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If only does this at an idle. Possibly dirty/faulty idle air control valve. It's job is to idle vehicle up when at idle and ac or other acc are running.