"jolly bargeman" <colinwingfield.TakeThisOut@hotmail.co.uk> wrote in message
news:1178811709.938571.130260@w5g2000hsg.googlegroups.com...
> Can anyone help? I have a 1990 Merc 190e auto which always runs
> beautifully. However, the reading on the oil pressure gauge
> occasionally 'bounces' around and will sometimes show no reading at
> all. HOWEVER....when I press the trip meter reset button a couple of
> times (I did this originally to see how far I was driving with 'low'
> pressure), the gauge suddenly springs to life and reads a very
> healthy
> 3.0 dropping to around 2.5 when idling. Sounds like a wiring problem
> rather than sender unit, but has anyone else ever experienced this?
> If
> so, what is the solution?
>
It may be as simple as a fuse, or sending unit or as complex as a bad
connection/cracked printed circuit board in the instrument panel.
Based on my experiences with the 126 chassis, I would replace the
fuses with new copper ended fuses. My instrument panel used to act up
in different ways when the breaks were applied with the lights and fan
on due to poor fuse connections in the fuse box.
>> Stay informed about: Weird oil pressure guage problem on 190e 
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