Kevin what do think of this...
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Evolving Member
Joined: Mar 2004
Posts: 422
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From: Tx,
Kevin what do think of this...
i know your the love guru.lol.
https://www.evolutionm.net/forums/ev...-afr-help.html
https://www.evolutionm.net/forums/ev...-afr-help.html
COBB PROTUNED for 11.5 AFR ECU Slowly leaning car out to dangerous AFR???? Help!!!
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Well I cannot figure something out.
I was PROTUNED with the COBB AP for 12 AFR then to 11.5 AFR under WOT. I am running a AEM UEGO to monitor my AFR under boost etc...
However, this is the issue. If I unmarry the COBB AP, unplug the battery, and let the ECU reset. Then I go and re-install the COBB AP on the car, and reinstall my COBB AP PROTUNE map. The car will run 11.5 AFR at WOT and 12's under light partial boost (i.e. 5 psi and under). After about 50 miles or less. The ECU will start to retune the car for leaner settings. Therefore the car will begin to lean out to 12.2-12.8 AFR under WOT, which is dangerous because of the knock. I got about 7CA of knock with that, which is dangerous and I do not want to grenade my motor.
Once it starts doing this, for me to drive the car hard. I have to either reset the ECU (with COBB AP) or I have to remap the COBB AP by reinstalling my PROTUNE map from CBRD.
I tried to switch relays, I tried 3 relays. Stock BLACK, Stock Green, and BOSCH 30A relay wired in. It has the same effect with all three. The computer starts to revert to original tune or tries to tune for leaner settings.
I am not sure what is going on, anyone can help with this issue. I am trying to get a hold of CBRD to switch me to ECUFLASH.
__________________
List:
-CBRD Tune -COBB AP -COBB UICP, LICP, BOV HP -COBB SFI -COBB Turbo Inlet Pipe -COBB Sway Bars -ETS 4" FMIC -AMS DP -T1R Exhaust -MXP TP -FORGE WGA -xMR Catch Cans -AMS Front Rollerstop -AMS Fuel Rail -evoDynamics 3 Port -Deatschwerks 800cc -Techna-Fit SS Lines -TWM Short Shifter -WORKS Bushings -SWIFT Sport-Mach's -Whiteline Kit -AEM UEGO -STRI PSI Gauge -Rally Armor Mudflaps -PERRIN 3" Ant
--------------------------------------------------------------------------------
Well I cannot figure something out.
I was PROTUNED with the COBB AP for 12 AFR then to 11.5 AFR under WOT. I am running a AEM UEGO to monitor my AFR under boost etc...
However, this is the issue. If I unmarry the COBB AP, unplug the battery, and let the ECU reset. Then I go and re-install the COBB AP on the car, and reinstall my COBB AP PROTUNE map. The car will run 11.5 AFR at WOT and 12's under light partial boost (i.e. 5 psi and under). After about 50 miles or less. The ECU will start to retune the car for leaner settings. Therefore the car will begin to lean out to 12.2-12.8 AFR under WOT, which is dangerous because of the knock. I got about 7CA of knock with that, which is dangerous and I do not want to grenade my motor.
Once it starts doing this, for me to drive the car hard. I have to either reset the ECU (with COBB AP) or I have to remap the COBB AP by reinstalling my PROTUNE map from CBRD.
I tried to switch relays, I tried 3 relays. Stock BLACK, Stock Green, and BOSCH 30A relay wired in. It has the same effect with all three. The computer starts to revert to original tune or tries to tune for leaner settings.
I am not sure what is going on, anyone can help with this issue. I am trying to get a hold of CBRD to switch me to ECUFLASH.
__________________
List:
-CBRD Tune -COBB AP -COBB UICP, LICP, BOV HP -COBB SFI -COBB Turbo Inlet Pipe -COBB Sway Bars -ETS 4" FMIC -AMS DP -T1R Exhaust -MXP TP -FORGE WGA -xMR Catch Cans -AMS Front Rollerstop -AMS Fuel Rail -evoDynamics 3 Port -Deatschwerks 800cc -Techna-Fit SS Lines -TWM Short Shifter -WORKS Bushings -SWIFT Sport-Mach's -Whiteline Kit -AEM UEGO -STRI PSI Gauge -Rally Armor Mudflaps -PERRIN 3" Ant
