Posted by Mark CarterMark Carter
on July 26, 2010, 8:51 am, in reply to "Re: VW Sharan 2.0 8V "ADY" massively rich mot fail"
This vehicle system should be using a four wire Floating Earth Lambda sensor, You should not add an earth wire to it as this will confuse the ECU, however you should check the PD across the floating earth circuit and monitor it as the vehicle warms up. HTH
Regards Mark
Modern cars, Its all wizardry and witchcraft
