Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

markweatherill · 09-02-2014, 02:59 AM

If you can find a suitably sized 'air fuel ratio' gauge, you can hook that up via a potentiometer to your MAP / MAF sensor. Alternatively there's the ubiquitous LM317 / ten-led bar graph circuit which could be adapted for this purpose.

09-02-2014, 02:59 AM	#3 (permalink)
markweatherill Master EcoModder Join Date: May 2008 Location: UK Posts: 332 Thanks: 15 Thanked 79 Times in 54 Posts	If you can find a suitably sized 'air fuel ratio' gauge, you can hook that up via a potentiometer to your MAP / MAF sensor. Alternatively there's the ubiquitous LM317 / ten-led bar graph circuit which could be adapted for this purpose.