Engine sputtering at about 65

toolmanmike said
You need one of these. 2/3.5/5/7/10M WIFI 8mm Endoscope Borescope Snake Inspection Camera IOS Androd PC | eBay

That's actually a great idea! Should be able to see exactly how much crap is down in the tank. Waterproof with a light, perfect for gas tank exploration.