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Thread: Wideband O2 sensor help - carbureted engine.

  1. #1
    Join Date
    Mar 2014
    Location
    Fraser, Michigan
    Posts
    31

    Default Wideband O2 sensor help - carbureted engine.

    Last year during the Hot Rod Power Tour, I won/received a Holley wideband O2 senor as a consolation prize, for not winning the Holley Terminator EFI system (that's on my list of future upgrades). I finally got around to installing it this winter but something isn't right.
    There's not a lot of information out about how to use them, or what to look for if thing don't look right. I know it reads air/fuel ratios and a good starting range is 14.7:1.
    With the key on, the gauge goes through this: 8.8.8, 7.00, BH 5 or 6 or 7, and the scale around the circumference of the gauge is lit, blue, green, yellow and red. When I start the engine, it goes through the same sequence, and than goes to RED on the scale and 20.0 and stays there no matter how much gas I give it.
    I haven't driven the car much since the install, so I don't know how it reacts under driving conditions. But I think it's the as mentioned above.
    Where do I start with troubleshooting? Thanks.
    __________________
    LarryG
    1970 Mach1
    351C, 4R70W, 3.50 TracLoc
    Holley carb.

  2. #2
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    22,708

    Default

    Quote Originally Posted by larryg View Post
    Last year during the Hot Rod Power Tour, I won/received a Holley wideband O2 senor as a consolation prize...
    What's the Holley part number of this product?
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 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, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 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 tires.

  3. #3
    Join Date
    Mar 2014
    Location
    Fraser, Michigan
    Posts
    31

    Default

    I wasn't sure where to post this question, I figured it would be moved. Thanks.

    P/N 534-201 Stand-Alone A/F Ratio Gauge & Controller.

  4. #4

  5. #5
    Join Date
    Mar 2014
    Location
    Fraser, Michigan
    Posts
    31

    Default

    I assume you mean instructions? Yes, I do and the controller was installed according to the instructions.

  6. #6
    Join Date
    Mar 2014
    Location
    Fraser, Michigan
    Posts
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    Default

    I guess there's no help here either, just like the rest of the net.

  7. #7
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    22,708

    Default

    If you have a defective Holley product, contact Holley Tech.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 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, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 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 tires.

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