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View Full Version : Car Running Rich with Lean Plugs (Tune Inside)



mikeyayell
March 23rd, 2008, 03:24 PM
Like title says. Car runs great and pulls hard. Problem is the car smoke black and smells rich, but the spark plugs are white. Can anyone explain this? My car is in OLSD. I think its rich down low and lean up top, could that explain it? Which table should I make changes to? Ve, commanded AFR, PE, etc. Any suggestions welcomed.

joecar
March 24th, 2008, 04:58 AM
Hi Mikeyayell,

What mods do you have...?
Do you have any logs...?
Did you filter out DFCO (or disable it) during AutoVE...?
How close to 1.00 did your BEN map show...?

mikeyayell
March 24th, 2008, 06:20 AM
What PIDS do I have to log for the BEN Map?

joecar
March 24th, 2008, 06:44 AM
AFR, wideband AFR, MAP, RPM.

You file is all setup for AutoVE, did you tune that using a wideband...?

See the AutoVE tutorial, it specifies the pids you need to log.

mikeyayell
March 24th, 2008, 09:47 AM
Here is a log.

mikeyayell
March 25th, 2008, 02:55 PM
Does the log look ok? How should I change my AFR?

joecar
March 26th, 2008, 02:58 AM
I can't tell... your log shows LC-1 voltages being flatlined, your LC-1 doesn't seem to be connected.

Check your connections.