The wiring is intact. I just need to plug it in. The biggest part would be welding a bung in the exhaust, which really isn't a big deal either. The question though was is it that necessary to have?Originally Posted by PlayingWithTBI
The wiring is intact. I just need to plug it in. The biggest part would be welding a bung in the exhaust, which really isn't a big deal either. The question though was is it that necessary to have?
87 Jeep YJ ~ 95 TBI 5.7 ~ 79 TH350 ~ NP241C w/ORD SYE ~ 16197427 ECM w/ BJYL ~ lots of other custom stuff that is not relevant here. :)
Well, with the heated O2 my truck goes into C/L shortly after I pull out of my driveway and, after some tuning with Dave W's help, BLM stays ~128. If you're gonna do a lot of low speed idling/driving and your bung is farther from your heads you may not get good feedback from it being too cold.
Perhaps the ignition module inside the distributor is faulty, causing the no start? If you replace the ignition module, use "Heat Sink" grease. Heat Sink grease is basically die-electric grease with aluminum oxide added to provide SUPERIOR heat transfer. Heat Sink grease is more commonly used for EXPENSIVE Audio Amplifiers. GM uses EXPENSIVE Heat Sink grease under the ignition module, aftermarket ignition module suppliers use the lower cost die-electric grease or simply don't supply any heat transfer grease at all with the ignition module. HEAT will KILL an ignition module. Ever wonder why the L31 Vortec 350 has an externally mounted ignition module?
dave w
That is the first place I will be looking Dave. It is a new module, was last year anyway, but it seems like a likely culprit. I will be sure to get some better heat sink grease either way.
87 Jeep YJ ~ 95 TBI 5.7 ~ 79 TH350 ~ NP241C w/ORD SYE ~ 16197427 ECM w/ BJYL ~ lots of other custom stuff that is not relevant here. :)
It helps some with corrections for altitude, weather, and temperature. With a working O2 sensor the tuning can be off a little and the engine can still run fairly well.How big of a deal is the 3 wire 02 sensor?
.... Still broken.
I tried a couple spare ICMs that I had last night. No change. I really have no idea if the spare ICMs were any good or not, but it was worth a shot. I am going to see if I can get them tested today.
I did order an AC Delco 3 wire o2 sensor last night and a cable so I can start diving in to this tuning stuff... at least diagnostic stuff anyway.
87 Jeep YJ ~ 95 TBI 5.7 ~ 79 TH350 ~ NP241C w/ORD SYE ~ 16197427 ECM w/ BJYL ~ lots of other custom stuff that is not relevant here. :)
No one local can test the ICM, but Advance had one in stock so I swapped my lifetime warranty one for another.
87 Jeep YJ ~ 95 TBI 5.7 ~ 79 TH350 ~ NP241C w/ORD SYE ~ 16197427 ECM w/ BJYL ~ lots of other custom stuff that is not relevant here. :)
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