Product Videos - Deep Clean Fuel System Cleaner. Bruce Morton says Lucas Deep Clean Fuel System Cleaner makes his Nissan Altima w/ 175,000 miles run like new. Hi, I wanted you to know that I used your Deep Clean Fuel System Cleaner and the results were impressive. I took my car to get it smogged, it is a 2005 Nissan Altima with 175,000 miles.