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Discussion in 'General Chevy & GM Tech Questions' started by cruzzonn, Jun 3, 2009.

  1. cruzzonn

    cruzzonn New Member

    I have a 94 S10 and it idles rough, it has 176,000 mi on it. What could be the most common problem ? I Had it tuned up but it didnt help much.
  2. Jimmiee

    Jimmiee Epic Member 5+ Years 1000 Posts

    With that many miles it could be many things. The very first thing I would do before throwing parts at it is to do a compression test. The compression test will tell you the condition of the valves, rings, and overall health of the engine.

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