Holley WBO2 controller issues.

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  • kacy
    Junior Member
    • Oct 2016
    • 2

    Holley WBO2 controller issues.

    Randomly my wideband O2 controller stops communication with my C950 while driving. I've swapped the sensor out and the issue persists. Could this be a result of the controller getting too hot or WBO2 too cold?
    Last edited by kacy; 06-30-2019, 12:12 PM. Reason: Spelling
  • andrewb70
    Senior Member
    • Dec 2014
    • 4618

    #2
    Have you double checked the wiring? Andrew
    Instagram: @projectgattago
    Offering remote Holley EFI tuning.
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    • Danny Cabral
      Administrator
      • Dec 2009
      • 35959

      #3
      Originally posted by kacy View Post
      Randomly my wideband O2 controller stops communication with my C950 while driving. I've swapped the sensor out and the issue persists.
      Then maybe the controller is malfunctioning.

      Could this be a result of the controller getting too hot or WBO2 too cold?
      Why would the controller be too hot (unless it's malfunctioning)? And how would the WBO2 sensor be too cold?
      May God's grace bless you in the Lord Jesus Christ.
      '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, Trick Flow R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2.5" exhaust, SS off-road X-pipe, SS shorty headers, OEM smog pump converted vacuum pump, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, highly modified Ford 4R70W transmission, FTI 9.5"/3000 stall/triple disc TCC, B&M Hammer shifter, Stifflers trans crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.73 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.

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