Quote:
Originally Posted by charnett
Oil pressure at idle is consistent 2 bar, without drop or fluctuation, and max otherwise. I've just about 100 miles ago switched from Mobile 1 Zero-40 (used by prior owner and dealer) to Castrol GTX 20-50 (mineral).
Any suggestions appreciated.
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About 1 yr or so ago, I switched from 20W-50 dino to synth oil and the engine became very quiet plus the engine temp is lower. Yes, it was very visible on the engine temp gauge.
Your symptoms are certainly different from mine and others w/ a bad oil tube (or two), so . . . as a WAG . . . I would go back to synth oil . . . and see what happens.