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I don't understand

Discussion in 'General Tech and Maintenance' started by testtype00, Dec 8, 2003.

  1. testtype00

    testtype00 Member

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    Nov 13, 2003
    hey everybody I was wondering if I could pick your brains. I recently had my car hooked up to a snap-on tolls SUN machine for a diagnostic. and I was wondering if anyone could help me understand the cylinder readings 'cause the mechaninc I talked with was not very informative to say the least. so here is the results

    CYLINDER CONTRIBUTION:
    CYL MIN RESULTS MAX
    1+ -1 0(downward pointing arrow) -21
    3- -1 3(downward pointing arrow) -21
    4+ -1 3(downward pointing arrow) -21

    now the machine gives probable cause as a cracked distributor cap. Though it was replaced less than a year ago and I highly doubt it is cracked. If any one out there knows exactly what those numbers represent please let me know.
     
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