Kick me in the nuts.... I went over my maps again today and for some reason I had the injector scaling set at 636 instead of 650 :facepalm: I was beyond livid when finding this out... so I have to start over on my fuel trims & maf scaling... FFFFFFFFFFFUUUUUUUUUUU!!!!

 

You are correct in that assumption...at least that is the way that I interpret what I am seeing in evoscan when it transitions from open loop warm-up to closed loop warm up...

 

Freddie....don't stress it....we all make mistakes. Just look at it as a learning experience. Bet your warm start issue goes away...Hehe.

 

^ Lets hope so... Warm starts aren't too bad to begin with...

 

Paul, this is good news! I'm still pondering if to go directly to v7 or do 94170015 v5.10. Any Throttle hang issues on your 03 with v7?

 

You are going to love this......

I removed all of the EGR and EVAP stuff then went in and disabled the peripherys and did the new way of EGR disable and wouldn't you know.....Cold idle issue has returned.

It appears that one of the peripherys is causing my cold start issue. GRRRRR

Oh and it is throttle hanging a bit too.

 

The following were disabled....

Table
EGR System Enable/Disable....changed from 1 to 0

Periphery FAA bit 11 (Disable EGR . Enable Ign Adv) set to 1
Periphery FAA bit 9 (enable warmup ign retard) set to 0

Periphery FCA bit 15 (P0443, P0446, P0403, P0243, P0090, P2263) set to 0
Periphery FCA bit 14 (P0450, P0451, P0452, P0453 Evap) set to 0
Periphery FCA bit 13 (P0441, P0442 Evap) set to 0
Periphery FCA bit 10 (P1400 MAP sensor) set to 0
Periphery FCA bit 9 (P0401 EGR Test) set to 0

Periphery FEA bit 14 (P0069 MAP vs Baro) set to 0

Upon removal of the EVAP and EGR stuff my car had codes P0505, P0453, and P0403

The codes are, of course gone now because of disableing the bits. Unfortunatly the cold idle issue has risen its head, as has a bit of throttle hang.

I think we need to dive deeper into the periphery bits to ensure that these bits don't affect something else, thus causing adverse conditions.

 

I made some changes....Will test tomorrow.

Periphery FAA bit 11 (Disable EGR . Enable Ign Adv) set back to stock setting = 0
Periphery FAA bit 9 (enable warmup ign retard) set to back to stock setting = 1

Periphery FEA bit 14 (P0069 MAP vs Baro) set back to stock setting = 1

These don't affect a CEL so, in theory, they can be left alone if the others, as stated above, are disabled.

I did this because I am not certain that these do not affect other idle areas.

More to follow.

Paul

 

I posted in your other thread, but FAA Bit 11 needs to be left alone. The new EGR table mrFred defined does the same but does not effect the other things Bit 11 hits.

 

That is my plan...See above. I will report the findings tomorrow.

 

I read through the first 7 pages.

Have you disabled warm up ignition retard? I have CL disabled for startup(like johnbradley mentioned) and have no problems with idling.

Saw that you had, I would leave warm up ignition retard disabled.

 

Jorge T,

Go ahead and make the switch. You will like the improvements. The car will run EXACTLY like it does on your current rom.

My issues are more of me being **** than anything else. Perfection always comes at a cost....in this case it is my own personal frustration of wanting a 450whp daily driver car that gets 26mpg and can run low 11/high 10s at the track. I guess we can't have it all.

Reguardless, make the switch and tune with v7 since 9417 series roms won't be supported any more.

Paul

 

Thanks Paul, I'll do v7 then, I have already ordered injectors to go E85.

Have you tried copying the 9417 iidle stepper lookup table over to 9653 v7 to see if the hang goes away?

 

I have not changed the stepper table....the values in the idle areas are so close, I doubt it would do anything.

I believe one of these 3 creates the issue.

Periphery FAA bit 11 (Disable EGR . Enable Ign Adv) set back to stock setting = 0
Periphery FAA bit 9 (enable warmup ign retard) set to back to stock setting = 1

Periphery FEA bit 14 (P0069 MAP vs Baro) set back to stock setting = 1

The 2 FAA tables do not need to be changed from stock values if the EGR disable table is used.

As for the FEA bit 14, I have a hunch that the baro adjustment is necessary for good cold drivability.

 

Paul... DO NOT change the ISCV tables... leave them alone... I tried that today and the car was retarded. I have an 05 too, which is closer to the 0006 rom in many ways.