Home › Browse by system › Fuel
Fuel
Fuel and propane guides. Work outdoors away from flames and sparks, and keep a fire extinguisher handy.
Common problems
- Old or untreated gasoline
- Restricted carburetor jet
- Clogged fuel filter or blocked tank vent
- Closed or empty propane supply (RV)
Related guides
guide
Outboard Motor Winterization
Protect a 2- or 4-stroke outboard over the off-season: fuel, flushing, fogging, gear oil, and storage.
Beginner–Intermediate · 1–2 hrsguideRV Water Heater Not Lighting (Propane)
Safe, owner-level checks for a propane RV water heater that won't fire — and where DIY should stop.
Beginner · 20–45 minguideSmall Engine Won't Start (Mower, Generator, Pressure Washer)
The classic fuel–spark–air check for four-stroke small engines, plus carb cleaning basics.
Beginner · 30–90 min