Oxygen sensor

Does anyone know of a way to clean out an oxygen sensor? They are
rather expensive to replace.

 

Which model Volvo? Many can be replaced with Bosch "generic" parts for
a fraction of dealer prices, the only difference being the connector (if
you don't mind cutting and crimping a wire or 4).

Bill

 

I have had limited success with a hot propane torch followed by my ultra
sonic bath- you've nothing to loose. If the working end of the sensor has
suffered from:

a) antifreeze (failed headgasket)
b) prolonged exposure to over rich mixture, or raw fuel (from a misfire)
c) lead (from leaded petrol used in error)
d) silicone (silicone sealer-again from use during engine work)
e) excess combustion of oil (rings, head gasket failed etc)

then you're wasting your time. If you bugger the cat through running for a
while with a failed o2 sensor then its even more costly.

Tim..

 

There's nothing about doing that in my Haynes manual.
--

Stewart Hargrave


For email, replace 'SpamOnlyToHere' with my name

 

I have a 94 850T. I tried brake cleaner and a wire brush. Didn't work.
I went with the generic sensors. BIG savings there. Thanks for the
suggestion!