I had this very same problem with my golf. Replaced both oil pressure sensors....nothing. Did an oil change....nothing. Replaced the instrument cluster....nothing. I was about to pull the pan off the motor to check for clogging on the screen or if the pump was faulty when I thought about an engine flush. I did just that, new 10w40 oil and mann filter and problem solved.
I ordered and received a bunch of maintenance items for the Van. But I plan to cover: Fuel lines (finally) Trans Filter/Flush Rear Diff Gasket and fluid Headlight Relay Kit Dual Washer nozzles Upper Ball Joints Lower Ball Joint Repack the front bearings SST Brake lines 4 corners 15W-50 Mobile 1Oil and new Mahl/Mann filter With the above it should be good for another year of backup use.
I had this issue in an old 2.0l cabrio with 165k miles on it. I eventually had to ensure I used a mann filter and 10w40 oil at all times. Never had a problem again. The better filter flows better and the heavier oil creates more pressure at the higher temps.
This is the reason I love Mercedes-Benz. The Mann filters use a fleece media rather than paper, and I have customers that routinely abuse their oil change intervals (20k miles) and they still held up. Paper filters don't hold up or filter very well much past 5 thousand miles.
I would rather run a Mann oil filter than an oem/VW filter. Same thing for the air filter.
If you get the Mann C 36 188 /1 , it will have the foam.
If you get a Mann filter, it won't have it.
double check the oil filter: stick with the brand name MANN or oem. make sure that you put some oil on the rubber gasket before you re install the filter housing to make sure you have a complete seal. also put some fresh oil in the filter housing that way you do not starve your motor of oil when you start it up.
I only use Mann oil filters.
In talking to some other people, Mann seems the way to go as it is essentially OEM with a lower price tag--their cabin air filter is also activated charcoal, so that's a plus--ordering up.
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