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Last year at around 16,000 miles they had to replace this sensor on my 19’ Equinox diesel. The tech told me it was pretty oily and he thought that’s why it failed. At 28,000 miles the same sensor has failed again. I mentioned to the service advisor that it is probably going to need a new turbo if it’s leaking that much oil. Taking it back next week when the part arrives and getting a loaner for them to check it out over a few days. Any suggestions on how to encourage them that replacing a sensor every year isn’t fixing the issue? Anyone else with a diesel had this?
 

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Guys on the Colorado/Canyon forum with the 2.8L diesel do a PCV mod of some sort and also install oil catch cans.
Otherwise they seem to have a similar issue with oil getting into the turbo and sensors.
 
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