runs good at high speeds not at idle.

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06-30-2011, 09:40 AM

dmerski

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Join Date: Jun 2011

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runs good at high speeds not at idle.

95 Blazer runs good at high speeds but sugers and misses at idle.Change plugs,wires,MAP and all sensors on uper intake manfold.

06-30-2011, 01:45 PM

maddie's dad

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Location: Colorado, Front range

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Check for a vaccuum leak. Use a can of carb cleaner or starting fluid. Spray short bursts at suspected leaks, and if the idle speeds up, you have found your leak.

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