Update: Car fired right up this morning. Let it warm up, no problems. Checked TFI wiring to pins 4, 36 & 56. All good. Ran the codes a couple of times, 11 on KOEO, codes 12, 44, 94 & 18 on KOER. Smog pump is gone, so 44 & 94 are OK. Pretty sure 12 is a bad IAC (already cleaned it), and 18 on a...