Ran into a few issues this past weak.heater hose leak.changed fluid and hose.next data log my blm at idle were 145.start driving it went right to 172 and stayed there.wouldn't stay in closed loop.o2 was not bouncing much.staying around .300 to .400 mv.I guess it was coincidence that it happen to fail at the same time I was working on it.I replaced it with a heated 4 wire and things went back to normal.the best part for me was seeing how just tunerpro logging saved me any hands on diagnostics with a dvm.b4 using this program it would have taken a lot more time I didn't have to figure out what was happening.I still have not been able to get the tcc to lock up.I tried grounding pin F on dlc with tprt hooked up to see if it would show tcc applied but nothing change when I ground the wire with it running.I've not had the time to further diagnose that issue yet.I get a true flag on tcc lock adjust but not tcc applied.it just stays false.anyway thanks to this site and it's members and tunerpro for making it easy to use this old technology.
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