What is your idle, closed loop spark advance, on an L98? and various other scan questions

JCAIRE2 · 02-16-2004, 04:39 PM

Just started scanning. I've got about 20* at idle closed loop.

It also seemed like my car went into closed loop a little early. Coolant temp was 130*, but the car had been idling for ~5 minutes.

There are soo many parameters to observe, and I'm not sure if all of mine are within spec. Is there anyplace I can look to see what the specs are for different parameters?

ZD1 · 02-25-2004, 10:07 PM

my 91 will idle with about 20 deg of timing - good for efi cars

closed loop timer is about 180 seconds...its the O2 sensor that needs to hot not your engine

[Modified by ZD1, 8:24 PM 2/25/2004]

JAKE · 02-26-2004, 04:30 PM

I've got 22 degrees at the PROM's reprogrammed idle speed of 850 RPMS.

Jake

JCAIRE2 · 02-27-2004, 08:32 PM

Thanks guys, 20* is right where I'm at at idle also.

Was begining to think no one would post to this topic, lol. :cheers: