LTFT.....+10%, Diablo InTune - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Smkn600CTD · 10-23-2013, 11:58 PM

Fuel mileage around 18mpg pure freeway....so I plugged in the intune to see what it was doing.

STFT is -2 to -3. LTFT is 5% at idle but jumps to 9% and stays there.

Is 5-9% LTFT normal for a Airaid intake and diablo 91 octane tune?

376LS3 · 10-24-2013, 01:03 AM

Ya, the computer can compensate as much as 20%. I have mine turned off so the car never has saved data, and Im on a fresh tune every start up. 10% is about what a stock tune runs at depending on where you live. In reality they dont mean anything. All that is saying is that the computer is making a 10% fuel adjustment to hit stoich. It has no impact on MPG or how the car runs. As long as its within the computers range of adjustment, its fine.

10-23-2013, 11:58 PM	#1
Smkn600CTD Drives: 2013 Camaro SS and 2014 SS Sedan Join Date: Jan 2013 Location: Las Vegas, NV Posts: 308	LTFT.....+10%, Diablo InTune Fuel mileage around 18mpg pure freeway....so I plugged in the intune to see what it was doing. STFT is -2 to -3. LTFT is 5% at idle but jumps to 9% and stays there. Is 5-9% LTFT normal for a Airaid intake and diablo 91 octane tune? __________________ 2016 Lexus GS-F 2014 SS Sedan #2577/3537 2013 Camaro 2SS/RS. 2013 Camro ZL1 Vert 2009 Dodge Daytona Charger #332/400

10-24-2013, 01:03 AM	#2
376LS3 Eh, that'll happen Drives: 2010 2SS Join Date: Apr 2012 Location: Mesa, Arizona Posts: 1,841	Ya, the computer can compensate as much as 20%. I have mine turned off so the car never has saved data, and Im on a fresh tune every start up. 10% is about what a stock tune runs at depending on where you live. In reality they dont mean anything. All that is saying is that the computer is making a 10% fuel adjustment to hit stoich. It has no impact on MPG or how the car runs. As long as its within the computers range of adjustment, its fine. __________________ 2010 Camaro SS LS3 - No Modz