Hello RonD,Re O2 sensors I know you said that the Dr side should have red & black wires, the pass side should have grey & blue wires. I checked & I have grey & black wires on both sides plus 2 white wires on both sides. I changed those sensors some years ago and that's what the auto parts store...
You may have solved my problem too RonD, I have the same engine & tranny that you have & the same symptom's that RangerFabWorks had. A shop put in a new clutch system in my truck, did they switch the O2 wires? I am going to check today, will let you know.
I have been using fuel injection/throttle body cleaner for the last week or so, the truck runs fine the first 20 miles +or- then it will start bucking & runs irrattic. I put in a new fuel filter a couple of weeks ago, checked the air filter which didn't look bad but gave it a good going over...
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