[W126 Coupe] High Idle and ABS Light

[Jonathan]

Barry Sharp wrote:

>

> My 1989 560SEC Euro has an interesting problem.  At random intervals, 

> anywhere from a cold start to 30 minutes driving time, the ABS light 

> will come on and simultaneously the idle speed will increase to about 

> 1400 rpm.  After another random period, anywhere from 10 seconds to 15 

> minutes, the high idle / ABS light issue will disappear.  It's a 

> little disconcerting to think that the braking system is connected to 

> the throttle ;-)

>

>  

>

> Any thoughts?

>

>  

>

> Thanks.....Barry

>

>  

>

> 1989 560SEC Euro 138,000 km

>

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>

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Sounds like your OVP relay is acting up.  I'd go ahead and replace it, 
just be sure to use a Genuine part (no KAE!!!!)

Jonathan


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1996 S600 Euro "Scharnhorst"
1991 560 SEC Euro ECE Conv. (for sale)
1991 560 SEC 226Hp/271ft/lbs (TT conversion IP)
1989 560 SEC Euro ECE (*parts*)
1989 560 SEC AMG (6800RPM Mech.lifter/radical cam conv.)
1988 300 TE (Mosselman TT awaiting install)
1988 560 SEC AMG Euro ECE
1987 AMG Hammer 6.0L 32V
1986 560 SEL AMG 6.0L 32V 
1980 280 SE Euro
2006 Z4 3.0Si M-Spec


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