ecu

Hello all. I am trying to get to the bottom of a p0420 code that appeared after i installed a new downstream oxygen sensor. I am sure i'm going to have to replace a my cat as i had previously had misfires that have now been solved. My bigger concern though are my O2 Sensors and the voltage they...

Hello, could someone tell me the number of Electronic Control Modules there are in a 2005 FWD Element with 4-speed automatic transmission?