Thread: No spark or Injector Pulse.

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  1. #1 No spark or Injector Pulse. 
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    2000 3.8 s/c
    Getting crank signal. 18x and 3x. ICM has power and ground.

    New parts---
    Cam sensor
    Crank Sensor
    ICM
    PCM
    Ignition Switch
    Coil Packs
    Wiring Harness from ICM to crank/cam sensors.

    i'd have to assume its a wiring issue at this point. Could some one point me in the right direction?
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  2. #2 Re: No spark or Injector Pulse. 
    Moderator dsmuts's Avatar
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    Have you checked fuses?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: No spark or Injector Pulse. 
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    i have, and i will recheck them tomorrow when it becomes daylight again.
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  4. #4 Re: No spark or Injector Pulse. 
    GT Level Member primem's Avatar
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    if you changed your pcm you will need a theft deterrent relearn. is the security light on? vtd codes will shut down injector pulse; didn't think it would shut down spark.
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  5. #5 Re: No spark or Injector Pulse. 
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    vdt wont shut down spark. already did the relearn. vdt shuts down starter and fuel pump
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  6. #6 Re: No spark or Injector Pulse. 
    GT Level Member primem's Avatar
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    when you check for power at the icm, use a test lamp. they want to see if it can carry a small load. a dvom won't do that.
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