Don't know what a 1992 Mitsubishi tr efi magna is so Look Here Good Luck and Remember. Change Your Mind, Not Your Oil. Use the First In Synthetic Motor Oil's. See My Bio For more information.
Can you? Yes. Should you? NO! Use exactly what Mitsubishi recommends and that is not 15w40.
Just use a good quality oil that is designed for diesel engines.
Mobil 1 5w-20
You can use 10W-30 weight motor oil in your Mitsubishi. A heavier motor oil can be used in extreme climates.
Engine Oil - use with API certification Transmission Oil - Used OEM Mitsubishi Transmission Oil Only.
oil, magna and acrillic paints
Purolator, Bosch, Wix, NAPA, & Carquest, are all quality filters you can use.
recommended 20w 50 protects engineware
you need to unscrew the oil pressure switch which is located near the engine mount. buy a new switch from the auto shop, then put the newswitch in and use a wrench or socket to install the new unit. done
The manufacturer recommends 10W-30 motor oil for the 2006 Mitsubishi Lancer. The engine oil capacity of the 2006 Mitsubishi Lancer is for quarts.
10W40, 3.5 liters for a V45 1982