Review on Genuine Toyota Fuel Tank Cap Assy (77300-08010) - High-Quality OEM Replacement Part by Eric Glup

Read on a Toyota forum about this set of bulbs that came up on my 2002 Toyota 4Runner and everyone said I needed a new gas cap. I ordered a gas cap and while I waited I read the engine codes at my local auto parts store. The code said it was the upstream and downstream oxygen sensors. A gas cap arrived that completely matched the OEM. This is a solution. BUT the light does not go out immediately. As an additional suggestion, add a product called Sea Foam to the fuel to burn off the carbon from the O2 sensors. All lights disappeared 2 days after adding sea foam. The headlights haven't come back in over a month, great! and cheap to repair!