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4 wire 02 sensor
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  1. Engine Mgmt., Fuel, Spark, EGTs, & Air/Fuel Ratios
    Okay I threw a code 21 on my 85 GLHT so I started looking into my options after getting some advice from Naj. I read the thread on converting over to a 3 or 4 wire o2 sensor, seems pretty basic and Naj even provided me with the correct pin outputs to connect to on the PM. I have a wideband A/F...
  2. Engine Mgmt., Fuel, Spark, EGTs, & Air/Fuel Ratios
    Hey everyone! I just hooked up a 4 wire 02 sensor to my 1986 dodge charger. When it heats up enough for the 02 sensor to kick in it doesnt seen to be working. B4 i intalled this 4 wire, the pervious owner broke off the 1 wire on the original 1 wire 02 sensor...so when it heated up to go off the...
  3. Engine - General, Exhaust & Induction
    hi everyone. i have a 86 dodge charger im coverting the 1 wire 02 to a 4 wire. I only have 1 question. i know you hook the heater wire to a 12v source. I heard you use the ignition wire? is that true? and where is the best spot to tap into it? thks! -ryan
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