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164 Q4 ABS problem (warning light on)

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Re: 164 Q4 ABS problem (warning light on)

Postby Alfan » Sun Feb 18, 2018 8:05 pm

I went for a short test drive in the Q4 yesterday and the ABS error code reappears after being erased. I will probably try and put the other unit back in later, to see what that will bring.

I took photos of the error codes from the Marelli tester.

2018-02-17 15.17.57.jpg
ABS error 1

2018-02-17 15.18.34.jpg
ABS error 2

2018-02-17 15.18.54.jpg
ABS error 3

2018-02-17 15.18.58.jpg
ABS error 4

2018-02-17 15.19.26.jpg
ABS error 5
1994 Alfa Romeo 164 Q4 Proteo Rosso 550.000km
1989 Lancia Thema 8.32 Verde Indy 265.000km
2001 Alfa Romeo Spider 3.0 24V Blue Lightning 55.000km
2015 Alfa Romeo 4C Rosso Competizione 80.000km
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Alfan
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Re: 164 Q4 ABS problem (warning light on)

Postby Alfamuppet » Tue Feb 27, 2018 4:02 pm

Looks like the front right and rear left solenoid valves have a problem ? These would be part of the ABS unit probably controlled by relays
Alfa 164 Q4 Proteo Red
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Re: 164 Q4 ABS problem (warning light on)

Postby Alfan » Mon Mar 05, 2018 3:58 pm

As mentioned earlier, I have had the welded relays replaced - before that it gave *pump motor' failure. I think this is a problem within the mechanical unit, so I will try and replace that with another one and see what comes out of that.
1994 Alfa Romeo 164 Q4 Proteo Rosso 550.000km
1989 Lancia Thema 8.32 Verde Indy 265.000km
2001 Alfa Romeo Spider 3.0 24V Blue Lightning 55.000km
2015 Alfa Romeo 4C Rosso Competizione 80.000km
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Alfan
Q4 owner
 
Posts: 1079
Joined: Thu Oct 22, 2009 8:20 pm
Location: Denmark
Country: Denmark (dk)

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