W124 gauges.

Discussion in 'Electronics' started by Redfrus, Mar 14, 2017.

  1. Redfrus

    Redfrus New Member

    Messages:
    2
    Joined:
    Feb 14, 2011
    Location:
    Wolverhampton
    Car:
    w124 605 diesel
    Hi everyone,my 1993 w124 605 diesel has a problem with the gauges.they will have a hissy fit, fuel shows full,temp to 120 and oil pressure drops to low.The gauges then return to normal.This is now happening daily.
    Regards Phil.
     
  2. optimusprime

    optimusprime Hardcore MB Enthusiast

    Messages:
    3,133
    Joined:
    Dec 29, 2013
    Location:
    Kidderminster Worcestershire UK
    Car:
    Mercedes W124 260E M103
    This is normal if the engine is doing that . Coolant temperature up Hot coolant then oil pressure drops . But if it returns it could be short in the loom . Fuses would be my first port of call, along with earth leads ti the body .
     
  3. OP
    OP
    Redfrus

    Redfrus New Member

    Messages:
    2
    Joined:
    Feb 14, 2011
    Location:
    Wolverhampton
    Car:
    w124 605 diesel
    Thanks for your reply. It happens hot or cold,a tap on the dash and all gauges return to normal. I will check the fuses and earth leads.Regards Phil.
     
  4. roadhog

    roadhog Hardcore MB Enthusiast

    Messages:
    161
    Joined:
    Jan 21, 2011
    Location:
    Norfolk
    Car:
    '93 W124 300D x2, '89 C124 300D, '95 A124 320CE
    Haven't you just answered your own query there?
    If a tap on the dash cures it (as it used to with my wonky temperature gauge), how can it possibly be a fuse or earth problem?
    Source yourself a serviceable triple gauge and swap it over. Easy DIY.
     
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