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Thread: ECM and fuel pump relay control

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  1. 04-21-2013 #1
    Tunedperformance
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    It sounds like a bad ecm or something is wrong with the $6e adx
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  2. 04-21-2013 #2
    EagleMark
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    Or it could really be 5-6 volts at fuel pump because or wiring or ground issue?

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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  3. 04-21-2013 #3
    Tunedperformance
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    Isn't The voltage reading on a 1227165 ecm at B2 ?
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  4. 04-22-2013 #4
    sciroc
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    im going to try another ecm this week just to see since that's the easiest
    Jason
    1987 Silverado V-10 TBI
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  5. 04-26-2013 #5
    JP86SS
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    In $8D it is selectable which of the two voltages is used for injector compensation.
    86 Monte, 406, Hyd Roller, 700R4 beefed, G3-APU1 and NVSRAM 730, S_AUJP
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