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Thread: New ECU, IAC, Coil pack, Fuel Pump, CAS still no start

  1. #51
    Stealth owner since '91
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    ... Or you could just see if the CEL light goes out..
    Yeah, that probably means the ECU is powering up and the MFI is good.
    Still not getting spark?

  2. #52
    Quote Originally Posted by Steve '92ES View Post
    ... Or you could just see if the CEL light goes out..
    Yeah, that probably means the ECU is powering up and the MFI is good.
    Still not getting spark?
    hahahah or that!!

    Still no spark.

  3. #53
    Stealth owner since '91
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    Try checking for codes. You should get at least an "all clear" if the ECU is powering up OK.
    This says '91-'93 but the second paragraph here tells you how to do it on a '95, the codes are the same.
    Stealth 316 - Reading Diagnostic Codes - 1991-1993 3S models

  4. #54
    Woah. That is cool. I'll go test it.

  5. #55
    okay. the "new" ecu is good. Now i'm gonna test the "bad" one.

  6. #56
    The "bad" one says that its in normal state aswell

  7. #57
    Twin Turbo verified
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    As a few of us have suspected I think the dealer was not using a hybrid cable and thus could not communicate with the ECU so automatically assumed it was faulty. Lucky you didn't spend $1400.
    1990 JDM GTO TT with Vi-PEC plug-in V44 EMS, TD04-13T's, 3SX Downpipe, MP Hi-flow cat, ARC SMIC's, Aeromotive Stealth 340LPH pump, Fuelab 515 FPR, Ninja Performance 75amp hotwire kit, oohnoo fuel loop & rail adapters, Nylon braided ethanol fuel line, NGK AFX Wideband, K&N FIPK, Iridium plugs, HKS Twin Power DLI, Turbo XS racing BOV, 3SX poly mounts, Custom 280km/h speedo.

    Waiting install
    Injector Dynamics 725cc Injectors.

    Build Thread

  8. #58
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    Have you tested your cam and crank angle sensors to make sure they are outputting a signal to the ecu while cranking?

  9. #59
    Quote Originally Posted by Hans@GZP View Post
    Have you tested your cam and crank angle sensors to make sure they are outputting a signal to the ecu while cranking?
    No, how would I test that?

  10. #60
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    How are you testing to see if you have spark?

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