Quaver
Senior Member
- Joined
- Sep 11, 2017
- Messages
- 102
- Reaction score
- 8
- Your Mercedes
- W212 E350 2010
hi guys
So I have been having an issue with the car idling high when the heater is on but as soon as I turn the heaters off it goes straight back to normal idling. Once fully warmed up then it's fine again but EML is lit. I did a diagnostic and The fault showing says "the power supply is too low. The signal amplitude is less than the minimum amplitude"
So I have been having an issue with the car idling high when the heater is on but as soon as I turn the heaters off it goes straight back to normal idling. Once fully warmed up then it's fine again but EML is lit. I did a diagnostic and The fault showing says "the power supply is too low. The signal amplitude is less than the minimum amplitude"