Quick question - has anyone had high idle (3K) at cold start up? One the cars I have here now that I have disabled this stuff on has a high cold start up idle. The idle eventually comes down to a purr like idle at 900ish but, was curious to know if anyone has had this issue and what they did to solve it? I assume possibly idle stepper table adjustments?

 

I havent had that problem

 

Do you have the cold engine timing retard disabled?

 

fyi, i finally was able to start the car with this patch and i hooked up my ob2 reader and there were no CEL's and no incompletes related to egr/fpr/evap. startup is about the same, maybe a tad rougher for a few seconds (I started the evo in -1C weather)


im looking forward to a clean intake manifold

 

does this cause any problems?

what if you have an aftermarket fpr?

just general curiousity

 

FAA bit 10?

 

The reason I ask is because the engines seem to idle very high (around 3k RPM) when cold with this disabled. I've found its best to cut the stock values in half. No super high idle when cold and no stuttering when cold traveling at low speeds.

 

Did you put the block off plate on? I had NO ill effects idle-wise with this disabled. Matter of fact, my cold idle doesn't jump as high as it used to.

-E

 

mine idles around 2000-2200 on cold start. i lowered idle stepper some and it seems to be bringing it revs down faster, i havent messed with it too much as i wasnt too worried about it but i think i might mess with it a little more and see if i can get it to stay around 1500ish.

 

if the notes i have are correct FAA bit 9 is "enable warmup ign retard" i still have mine enabled, has anyone tried this and found it helps/cures the high cold start rpm?

 

So, either one of those two would work on turning off the p0401 (EGR) code even without taking the EGR valve?

 

As Mr Turco said, setting FCA bit9 = 0 will disable the EGR OBD-II test, and it will show up as "Not Supported" on an OBD scanner. As far as I know, "Not Supported" is a perfectly acceptable (while "Not Complete" or "Not Ready" is unacceptable). If you run a scanner on your car now, you'll see that there are several tests that are "Not Supported" with a completely stock ROM.

Yep, it will do this without having to touch the EGR valve.

 

That is correct. Everyone i turn it off in has passed emissions no problem and MA is pretty strict about emissions.

 

I disabled FAA bit 11 (set to 1), FCA bit 9 and set all the EGR related tables to zero, including high/low octane EGR enabled advance, Base EGR duty, Secondary EGR duty, EGR coolant temp correction, Alternate EGR Duty.

Drivability off idle was unchanged but idle was terribly rough.

 

great info i have actuall been waiting for someone to test this in a strict emission state, i am in ma also!