Why Pay for Repairs? Learn How to Fix Your Car Like a Pro

Should you warm up the engine before starting an oil change?

Correct Incorrect Warming up the engine before an oil change helps thin out any gunk in the sump so it drains properly. If the engine’s cold, you risk mixing fresh oil with leftover sludge.

Should you warm up the engine before starting an oil change?

yes, but only for a minute and no more
absolutely not
yes, enough to warm it up to normal operating temperatures
run it for a good hour before changing the oil