Well the 87 got jealous of the attention the 89 was getting. Did not like the 89 getting new parts, so it started complaining, LOL.
I posted a few weeks ago that I fixed the rough running (shimi-shake) I was getting when the TC was locked up (87) which preceded a sudden death at idle at a stop light and no restart by a week or so, fixed by cleaning the rotor and cap. Well it was running smooth as glass (even with a low 550 rpm idle the last day, another new symptom perhaps?), when I stopped to fill up with gas last night.
Then back to a no restart after fill up. I checked the TPS, the IAT, the CTS, voltages all perfect, the ground(s) resistance all great, refreshed the connectors contacts, pulled four spark plugs for inspection and cleaned some black smut off the white insulators, cleaned the cap and rotor again (not that they really needed it yet), checked the FPR for any leak, checked that I had fuel, tried restarting at WOT early on, but the plugs were dry when I pulled them later, I refreshed the ICM input wire connectors,
stood on my head a few times while I cranked it again, LOL,
begged and pleaded with it, , LOL, checked for vacuum leaks, and at some point I tried it again (after the plug inspection) and got a back fire, that tossed the vacuum line loose that goes to the air filter and valve cover, and so I left it loose and cranked it, in case the IAC valve was stuck....anyway, I finally got it to run (I think I had the vacuum hose loose), running rough, reattached the vacuum hose, got it back home, and today I changed the cap and rotor and installed new plugs. Three of the old plugs had excessive gaps from age....
I started it before and after changing the plugs, cap and rotor. Don't recall any real difference before or after replacing the cap, rotor and plugs, so I did a multi wire wiggle test, even the C-101, and finally got some noticeable change pulling and pushing on one injector wire connection (while it ran), so I repeated the action until the engine smoothed out and stopped missing. But now it is back to odd idle speeds. I had a high idle early in the tests today, 2000 rpm once, then about 1000 rpm once, (I forget at what point it was) but now the last 3-4 restarts it seems to want to idle about 550 rpm, unless I turn on the AC or shift into drive or reverse. In Drive with the AC on the idle runs up to almost 700 rpm. But idling in park, with all loads like AC off, it is dropping to 525 to 550 rpm. It has never in the last 2-3 years idled that low, and only once did in the last 7 years, when I had the O2 sensor connectors connected backwards, and it idled at 250 rpm.
So the IAC seems to be working, as it raises the idle speed when I turn on the AC or shift into gear, but does not reach 750 rpm in drive, or 800 rpm in drive with AC running like it use to do) I get about 100 to 150 rpm rise to 650 to 700.
Is it possible that Renix is smart enough to lower the parked idle to 550 rpm when the engine is finally running smooth enough to run at 550 rpm with out running rough? It was running smoother tonight than it ever ran (after I replaced the last batch of parts, and got the injector connection working again on the one injector).
This one really has me scatching my head. I know I still need to consider data degradation through the C-101, but this C-101 has never given me any grief (that I know of), in 7 years now.
Oh, and the CPS is working great. It passed all my tests too.
Oh, and I ohmed the old plug wires (they are not that old), and they gave me about 4000 ohms per foot, so they seem to still be OK too (I checked 4 of them as I recall, and the primary as well). I did buy a new Bosch wire set today, the MAG versions, that as I understand it are the ones 8Mud was (is) using, they have a solid copper wire
coil plus a carbon core IIRC what I read yesterday. They ohmed out at about 550 ohms per foot. The coil (versus straight wire) kills the electronic and radio interference, with less resistance than just carbon cores, giving a hotter spark, per the Bosch sales pitch, and per Wiki...., but I have not installed them yet!!