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    My 98 Tahoe only blows air from the defrost vents..No Hot No Cold, just air.

    Hi guys my Tahoe only blows air from the defrost vents. It doesn't seem to blow Hot nor Cold air, just air. None of the selector positions (Floor..Mid-Level, or Top) seem to be working. Any help diagnosing my problem will be appreciated. Thanks in advance Bamba
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    Flywheel not turning when Hoe is pushed in gear

    I thought I had a starter or solenoid problem when my Tahoe wouldn't start. I got a tow home and when I took the starter off, I noticed that about 4-5 teeth were missing from the flywheel. I tested the starter and the solenoid kicked out and turned just like it should. When I initially had...
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    Scanner Code definitions and relationships

    After pulling some "Live Data" yesterday, it sure would be good to have some information on the relationship between things like SHRTFT %, LONGFT %, ... SHRTFTB1 % etc I know that these are "Short\Long Term Fuel Trim designations but what I don't know is ...what the relationship is between...
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    Can someone HELP me with this.. Spark Plug gap??

    Strangest thing happened when I went to do my 1st tune-up on my 1998 Tahoe. I have the 4WD and the engine is a 5.7L I wanted to clean off the carbon deposits on the plugs, cap and rotor. The strange thing is .. The existing NGK R spark plugs were all gapped at .035, an the sticker on the...

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