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Re: 92 Sonoma Sluggish When Warm
You might check the Idle Air Control valve (IAC), it's screwed into the side of the TBI and has a square 2 wire connector. After removing it, you can spray some carb. cleaner into the hole but not on the IAC itself. If the IAC is gummed up, clean it with a toothbrush and some mineral spirits or kerosene...you don't want to melt the IAC seal with strong stuff.
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