Extreme rich condition - Page 9 - ZR-1 Net Registry Forums

Perry Mitchell · 07-18-2020

We spent A short time with the Tuner Pro scanner. We have a lot to learn with it. Do you see anything that jumps out at you other than the battery voltage. I am charging the battery now and will attempt another scan tomorrow.

Perry Mitchell · 07-18-2020

Wow, what lousy pictures I?ve posted. I can?t even read them myself. I?ll try again tomorrow

-=Jeff=- · 07-18-2020

What ADX file
Are you using? Where did you get it from?

Marc Haibeck · 07-18-2020

The data has a lot of logical conflicts. The ones that are the most notable to me are that the right oxygen sensor is at 0 mv. and the system is in closed loop mode. Normally the system will not go into closed loop if an oxygen sensor is not transitioning. This suggests that the wrong data is being listed for one of these PIDs.

The calibration is based on an 8EA configuration file. The scanner is showing an 8E ADX file. Try running the scan with an 8EA file.

Perry Mitchell · 07-19-2020

Let's see if I can explain this intelligently. The file we were using was 8E.adx and it was from a list that the website offered. It states it is for a 90 LT5 but they didn't list one specifically for a 91. All they listed was a 90 or 93 to 95. When my brother and I get together again, we will search for a 8EA adx. Does that makes sense?

-=Jeff=- · 07-19-2020

I have all of them. I put them together as the one you got while it works for you since you don't have a CCM. Mine I know will work correctly. What year do you need? 1991. PM me your email and I can send it to you

-=Jeff=- · 07-19-2020

Guys whether it is $8E or $8EA it will use the SAME adx as the output info from the ECM stream is the same..

HOWEVER.. Perry says he has a 1991, if it is wired for the a 1991 it should be $AF or $AFA and he could yuse the 8E.adx and most of it will work, but I sent him the one I made for the 1991 and should work for everything..

Marc Haibeck · 07-20-2020

I misspoke. His calibration is of course, a '91. It uses the AFA definition file.

-=Jeff=- · 07-20-2020

Quote:

Originally Posted by Marc Haibeck

I misspoke. His calibration is of course, a '91. It uses the AFA definition file.

Marc thanks for the clarification. I have sent him the 1991 ADX.

Perry Mitchell · 07-21-2020

Using the file that Jeff provided, we were able to run some more tests. Here are the results. I don't know why the right O2 sensor doesn't register anything. The engine runs smooth in open loop but not in closed loop. No smoke in open loop but starts smoking when in closed loop. Sorry about the sideways pictures.

07-18-2020	#82
Perry Mitchell Join Date: Nov 2018 Location: Washington Posts: 98	Re: Extreme rich condition Wow, what lousy pictures I?ve posted. I can?t even read them myself. I?ll try again tomorrow

07-18-2020	#83
-=Jeff=- Join Date: Jul 2007 Location: Bartlett, IL Posts: 7,162	Re: Extreme rich condition What ADX file Are you using? Where did you get it from? __________________ 1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978

07-18-2020	#84
Marc Haibeck Join Date: May 2007 Location: Addison IL Posts: 252	Re: Extreme rich condition The data has a lot of logical conflicts. The ones that are the most notable to me are that the right oxygen sensor is at 0 mv. and the system is in closed loop mode. Normally the system will not go into closed loop if an oxygen sensor is not transitioning. This suggests that the wrong data is being listed for one of these PIDs. The calibration is based on an 8EA configuration file. The scanner is showing an 8E ADX file. Try running the scan with an 8EA file.

07-19-2020	#85
Perry Mitchell Join Date: Nov 2018 Location: Washington Posts: 98	Re: Extreme rich condition Let's see if I can explain this intelligently. The file we were using was 8E.adx and it was from a list that the website offered. It states it is for a 90 LT5 but they didn't list one specifically for a 91. All they listed was a 90 or 93 to 95. When my brother and I get together again, we will search for a 8EA adx. Does that makes sense?

07-19-2020	#86
-=Jeff=- Join Date: Jul 2007 Location: Bartlett, IL Posts: 7,162	Re: Extreme rich condition I have all of them. I put them together as the one you got while it works for you since you don't have a CCM. Mine I know will work correctly. What year do you need? 1991. PM me your email and I can send it to you __________________ 1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978

07-19-2020	#87
-=Jeff=- Join Date: Jul 2007 Location: Bartlett, IL Posts: 7,162	Re: Extreme rich condition Guys whether it is $8E or $8EA it will use the SAME adx as the output info from the ECM stream is the same.. HOWEVER.. Perry says he has a 1991, if it is wired for the a 1991 it should be $AF or $AFA and he could yuse the 8E.adx and most of it will work, but I sent him the one I made for the 1991 and should work for everything.. __________________ 1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978

07-20-2020	#88
Marc Haibeck Join Date: May 2007 Location: Addison IL Posts: 252	Re: Extreme rich condition I misspoke. His calibration is of course, a '91. It uses the AFA definition file.