Re: 6.0 Swap Stumbling Idle
Are you using a reworked harness, or is it an aftermarket one? The aftermarket harnesses often use a different style plug and matching sensor. The most common one being used was the Bosch 13444. There are other o2 part #'s that will fit that plug but have the incorrect heater circuit wiring, or no heater at all.
You mention new sensors, which part # are they?
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'66 Short Step / SD Tuned / Big Cam LQ4 / Backhalfed /Built 4l80e / #REBUILDEVERYTHING
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