The best way to keep your 1st generation (2003, 2004, 2005, 2006, 2007 & 2008) Honda Pilot running reliably is to regularly change the motor oil and replace the oil filter on the VTEC 3.5 liter V6 engine. Check out my DIY instructions for the procedure (with the compatible replacement oil filter part numbers) by clicking on the text link or thumbnail image below.