My wife's accord has been dealer serviced since new, oil changed at 20% on OLM or sooner, seemed to go down very little between changes, last oil change around 36k miles I decided to do it myself, went with Mobil1. 0w-20 and Honda filter. Checked oil after close to 3k miles and 60% OLM and had to add 1.5 quarts. Is there a problem with these engines or just the way it is?
TIA
TIA