Well, this seems to be the place to be, now. Many of you may have seen this on IFSJA.org, but I'll try here, too.
So, after 5 years of sitting, I finally got my 89 Wag running. Now I'm trying to get it to pass CA smog. The visual passed, but my numbers were high. I was hoping someone here could translate the results into a place to start.
My Jeep - Rebuilt the engine in 2007 (went to Ouray that year ) with Howell TBI and all of the TFI upgrade except the coil. Replaced the EGR. When I got it running again last week, I completed the TFI with an MSD coil. It starts right up, but tends to surge a bit while it's cold. When warm, it takes a while for the idle RPMs to drop. I haven't driven it long enough to pull a good log from the TBI computer. The AIR pump has been removed and Edelbrock headers installed, because Howell said I didn't need them.
Anyway, here are the smog results:
15mph test - CO2:13.8 | O2:0.6 | HC:166 (max allowed 115) | CO:0.49 (max allowed 0.63) | NOx:2577 (max 986)
25mph - CO2:14.2 | O2:0.3 | HC:85 (max 95) | CO:0.27 (max 0.83) | NOx:1703 (max 846)
So, do you know if the high numbers are from running too rich, lean, timing off, or...?
I didn't clean the old fuel out of the tank, as there wasn't much left. I put in some stuff that is supposed to restore old fuel along with 15 gallons of new gas. The injectors are firing with what appears to be full force, so nothing seems to be clogged. I will definitely run a couple tanks full and change the fuel filters before trying to smog it again if I can get DMV to give me temp tags. If I remember right, the surging and idle things were going on before I parked it.