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Thread: wont start!
          
   
   

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  1. #24
    threearmsinjune is offline CHR Member Visit my Photo Gallery
    Join Date
    Oct 2006
    Location
    Indianapolis
    Car Year, Make, Model: 79 shovel, 65 pan
    Posts
    133

    well the tps is not functioning correctly. I have a good input of 4.99VDC and a good ground. Backprobing gives me an initial reading back to the ECM of 0.2 instead of the listed 0.6. While opening the throttle the TPS signal back to the ECM is not responsive, it doesn't change from the 0.2 reading.

    The CTS gave a resistance reading of 1350 ohms at about 50 degrees ambient temp. This is far from the 5670 ohms listed in the manual.

    Also the compression check gives a reading of 100 psi. This is on a cold motor with rings that have not been seated yet. I did give it a shot of oil before testing. This reading seems low to me but I have never checked a motor before the rings have been seated. My engine build stats are posted previously........ Could this be an indication as to mistimed cam? The pushrods have been adjusted carefully to assure that the valves are not hanging open.

    Replace CTS and TPS? Any thought on the comp test?
    Last edited by threearmsinjune; 11-19-2007 at 05:27 PM.

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