The best way to keep your 1st generation (2001, 2002, 2003, 2004, 2005 & 2006) Acura MDX SUV running reliably is to regularly change the motor oil and replace the oil filter on the 3.5 liter V6 VTEC engine. Check out my DIY tutorial for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.