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Discussion Starter #1
I have a C250 estate in Australia that has thrown up this code and car is in limp mode.

Unfortunately car was taken to a dealership that poured oil between the top plastic cover and engine rocker cover.
I cleaned the oil off, high pressure sprayed it and now that code is permananently on...(so probably my fault....)

I cannot find any information regarding the location of this sensor.

can anyone help with the location with a diagram or some such?

many TIA
 

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It turns out the exhaust pressure sensor was faulty..it is part number 81CP37-01 looks like same sensor is used in various locations for pressure sensing...fuel pressure ...etc...etc

Anyway it fixed the fault.
 

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Here is the eBay link....exhaust pressure...oil pressure...fuel pressure..same sensor

Dealer wanted TEN times the eBay price for exactly the same part!

 
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