Medium and Heavy Trucks
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Thanks for asking your question. I will try and help you out.
I would suspect there is a faulty oil pressure sensor. I have seen this before. Changing the oil should in not raise the oil pressure like that. The only thing I have seen cause oil pressure to be that high is a faulty oil pump that has a stuck closed relief valve.
I would suspect the oil pressure sensor is faulty.
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No I would not suspect wrong filters would cause this. If the filters fitted correctly on. They should not cause a high oil pressure reading.
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