Innovate Wdeband Problem - AFR=21.9

marlowchris · 11-04-2009, 11:10 PM

I have had the LC-1 for about 2 yrs and it has worked fine until recently. Now it works under part throttle, but at WOT at 4k RPMs and 6 psi boost it goes to 21.9 and stays there. The car still runs fine. Does the sensor need replacing?
Thanks
Chris

Goldfinger911 · 11-05-2009, 02:17 AM

Try a free air calibration. If it doesnt fix it, try reflashing the firmware.
Then test for a bad sensor with some carb cleaner on a rag. Wrap the sensor, and turn it on... it should go rich. Otherwise, it is a bad sensor. There is also the possibility that the LC1 is bad. Mine went tits-up after one year.

Here is how to test a sensor:

http://www.youtube.com/watch?v=1mb4VmDd0ao

Quote:

Originally Posted by marlowchris

I have had the LC-1 for about 2 yrs and it has worked fine until recently. Now it works under part throttle, but at WOT at 4k RPMs and 6 psi boost it goes to 21.9 and stays there. The car still runs fine. Does the sensor need replacing?
Thanks
Chris

marlowchris · 11-05-2009, 09:34 AM

thanks for the link. I will try that before replacing teh sensor. How did you determine that your LC-1 was bad?

Goldfinger911 · 11-05-2009, 02:08 PM

Mine started f'ing up. I would have to do a free air cal to get it back. Then one day it froze at --- on the gauge. I tried to connect to it with the LM Programmer and it said LC1 not found. Took it to the bench, powered it with 12v, tried to reflash. Nothing.

I then bought an AEM UEGO gauge and never looked back.