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International Automotive Technicians Network
Re: '93 GMC Pick-Up Running Like bleep
Posted to Technical Discussion Forum on 3/6/2004 3 Replies

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Hi Glenn

I really don't think your looking at a Vacuum leak , Those IAC's can be pretty loud when they open up to keep the engine running .

My best WAG is that your looking at a TBI problem , I th... Login to read more.

3 Replies Received (View Replies)