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Got it
Bump
Got it sorted out! Before digging deeper, I decided to try some simpler things first.
Apparently, the right solenoid wasn't getting power. I pulled, cleaned and replaced all the wire connections to that side and.. it works! Durametric now gives a definite response on both sides.
The O2 sensor on the left bank was even easier. The PO must have used one of the aftermarket replacements where you plug the terminals into the original connector. All 4 wires were simply laying up in the heat shield not attached. Must not have been installed tight enough. I may have accidently knocked them out during the IMS replacement too. Reinstalled them (making sure they were tight).
Cleared of the codes and drove it for all of my errands yesterday, no repeat of the CEL.
Durametric says everything is kosher today.
I'm still running a solid -6.0 on both sides, but that's in spec.
I guess at this point I'll finish out the summer with it, and probably make it a winter project to redo all of the timing chain bits and pieces.
Consensus? Sound reasonable?
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