Questions regarding the engine lubrication system

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7
votes
2answers
3k views

How does the change oil light system work and does it matter what type of oil you use for it to work properly?

I want to know if the methods a vehicle decides when to turn on the oil change light have to do with the qualities of the motor oil used in the last oil change. I have heard that the vehicle's ...
2
votes
1answer
507 views

Passat - Oil warning light on engine rev. Expensive fix?

looking to buy my first car, which is a daunting task for someone with little money and even less knowledge of motors. Seen this one on ebay, which ticks all my boxes but is cheap because: When ...
2
votes
1answer
2k views

High oil pressure after oil and filter change

I recently changed the engine oil and filter in my Westerbeke diesel. I gave it the usual (and specified) 4.5 quarts of SAE 30, specifically Chevron DELO. Now when it starts up it reads 80 psi of ...
3
votes
1answer
487 views

Should oil be changed every 3000, or 5000 miles? [closed]

I've always heard that the oil in a car should be changed every 3000 miles, but I read the manufacturer's suggested maintenance guide, and it says to change it every 5000 miles. Which is correct, or ...