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Thread: Oxygen sensor

  1. #1

    Default Oxygen sensor

    My truck failed the emission test. I've done several things to it already like replaced plugs, wires, distributor cap, rotor, put a can of Seafoam in the gas tank, filled it up with high octane gas. I just ordered an oxygen sensor that goes before the catalytic converter. This is a 3 wire sensor that comes with a plug attached. The plug on the old one is visible from underneath the truck, but I can't reach it to see if it will pull down so I can disconnect the plug. It's located between the firewall and engine. Any ideas how I can pull it down to get access to it?

  2. #2

    Default

    What type, year etc... is truck??
    :cool:

    2005 Chevy Silverado Z71 Crew Cab
    6" Skyjacker lift w/Edlebrock dual front remote resoviour shocks, single rear remote. Rancho skid-plate.
    17" x 9" M/T Classic Lock Wheels, 35" BFG A/T or M/T tires
    4.10 PercisionGears w/factory locker, T/A Performance rear-end cover
    Banks CAI intake, ported throttlebody, JBA coated headers, over-sized Magnaflow cats, Magnaflow cat back exhaust, Diablo tuned
    B&M aluminum deep transmission pan
    Warn brush guard w/Warn 9.5 XP winch, PIAA bulbs, Line-X bedliner, AWS Black tool chest, Extang tonneau cover
    Weather Tech floor mats
    Cover-Craft seat covers
    Dash mat cover
    Formula One window tint
    One black Lab in rear seat.
    :glasses:

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