my suzuki grand vitara 2002 4wd oil light comes on at low rpm but goes out when the engine revs or is driving at a constant speed. i have changed the oil switch , oil pump, filter , oil . help.
Then you have excessive clearances inside the engine causing the pressure to drop, the right way to fix it would be to overhaul the engine, but you might get a few more miles out of it by going to heaver engine oil like a 20W50, but eventually you will have to an overhaul or scrap it. These weren't designed to go much over 100K.
Search Suzuki Grand Vitara Questions
Suzuki Grand Vitara Experts
Related Models For Sale
Used Cars For Sale