Also, could the O2 sensors be just sort of bad? Or do they just either work, or not work? I was thinking maybe they are worn out and need to be replaced, but not completely broken so that they are throwing codes. ??
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`92 pearlie 220k
Tranny Cooler, shift kit, stage 1v4, d/s rotors, axxis pads, Perrin Pulley
'00 GMC Sonoma ZR2.
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