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Thread: Crank Signal

  1. #1

    Default Crank Signal

    Hello. I'm getting a “Stall” message when I try to start the engine. This means the ECU does not see a crank signal, if I'm not mistaken. Other than the sensor itself being bad, is there any other explanation for this? The car ran yesterday and has not been touched and it now won't start. I checked grounds & power connections, unhooked ECU from power for several hours and double checked my engine setup with the Wizard.

  2. #2
    Join Date
    Dec 2009
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    26,812

    Default

    Read section #5, 2nd paragraph: http://forums.holley.com/showthread....s-amp-Datalogs (Datalog & System Log Information)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS T/W 11R 205 heads, 232°-244° duration/.623" lift/114° LSA camshaft, 12:1 C/R, TFS R-Series FTI ported intake, BBK 80mm T/B, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 200A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, -6AN fuel system plumbing, Walbro 255 LPH pump, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/3000 RPM converter, B&M Hammer shifter, FPP aluminum driveshaft, FPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 M/T Street Comp tires.

  3. #3

    Default

    Turns out my issue with intermittent crank signal was a loose connection between the harness and the sensor. I bent the pins in the connector a bit so they are tighter when engaged. That seems to have cured the issue. Can the intermittent loss of crank signal cause my plugs to foul?

  4. #4

    Default

    @MattH: Not likely. How does the tune look? Andrew
    IG @projectgattago
    I offer remote Holley EFI tuning.
    I deliver what EFI promises.
    Please get in touch if I can be of service.

  5. #5

    Default

    I couldn't tell you what the tune looks like. I'm still green to tuning, but hoping to learn. The car is going to a Holley dealer on Friday to be tuned, and he's going to give me a basics course on what he's doing.

  6. #6

    Default

    Good luck. Andrew

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