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Just got in my gauges and my gauge cluster in so as soon as i get my car back from the shop from when my clutch went out im installin my Boost Gauge, Air Fuel Ratio Gauge, and 12v gauge. Boost and 12V i know but just a lil worried about the air/fuel, can anyone help me w/ sum tips? Thanx

~Travis
 

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Well dude, you are in for it with an A/F gauge. When I installed my Cobalt A/F, running the power, ground and lighting wires was the easy part. The hard part was I had to install a 3rd O2 sensor. I put it just behind the stock pre-cat. I obtained a single wire O2 sensor, and a weld in bung. A co-worker welded that sucker in for me (his welder) and I installed the O2 sensor, and wired it up. Before that, I tried splicing into the stock sensor wires, to no avail. The reason the stock sensor won't work is because its a wide-band.
 
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