Can I add Sea Foam to a truck that’s been sitting? [SOLVED]
My ’04 Nissan Titan has been sitting since before winter waiting on a brake job to be finished. I’m worried about the gas in it. I was told I could have some Sea Foam to it and it would help stabilize it and help minimize any broken down products from clogging up my fuel system. Do you think I can add it to the gas that’s already in there and run it?
Good question. If it’s been sitting since last fall or so, the fuel should have enough volatility to start and run just fine. However, Sea Foam won’t “restore” fuel volatility. It will help prevent any further breakdown, as well as reliquefy any fuel residues and varnish that have formed in the tank.
If you can drive it, here’s what I would do: I would drive it until almost empty, then add a can or two of Sea Foam with two gallons of fresh fuel. Then, drive the truck for at least 20 miles before refueling. That way you have the old gas purged out, followed by a high concentration of Sea Foam working through the fuel system to clean away any gum/varnish residue that would have formed while the truck sat.
If it’s going to be sitting for a while longer, go ahead and add a can of Sea Foam, and then follow the above when it’s ready to go.
Note: High Mileage Motor Treatment would be a good option too. It’s a strong cleaning formula for higher-mileage vehicles.
Jim D.TECH
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