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Alfa Romeo 166 2.0 Turbo Super ABS errors

Posted: 06 Feb 2012, 22:33
by jpinto
Dear All,
Using the multiecuscan I could check two errors on my Alfa abs ecu as follow:
- Rear right speed sensor not feasible
- Front left load solenoid valve low value

Can anyone tell me how to solve these problems?
Regards,
Joaquim

Re: Alfa Romeo 166 2.0 Turbo Super ABS errors

Posted: 07 Feb 2012, 10:16
by Juggers2k
Rear right speed sensor would be the ABS wheel speed sensor I imagine.

If you connect to the ABS controller with FES and choose Parameters, you can view the output from the wheel speed sensors. Select all 4 wheels then roll/drive the car forward slowly watching all 4 values (for safety, get someone else to monitor it if you're driving!).

If you're going in a straight line, all 4 wheels should show the same speed.
If one doesn't, then that wheel speed sensor is reading incorrectly. Likely to be either a poor connection, or a faulty sensor (also check the ring that it reads against for damage).

Re: Alfa Romeo 166 2.0 Turbo Super ABS errors

Posted: 09 Feb 2012, 12:01
by alfa156sarajevo
I agree with Juggers2k!

Just do not drive above 20km/h because ABS will disconnect from FES!