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This is likely a result of lower fuel efficiency due to city driving and driving with a cool engine. Engines have an optimal operating temperature, which is normally around a couple of hundred degrees Fahrenheit. At this temperature, warmer engine fluids allow for less friction, fuel vaporizes and combusts more readily, and the engine is overall more ...


Engine oil. Trans fluid. Brake fluid. Power steering fluid. Windshield washer fluid. Coolant. Battery fluid. Dif. Transfer case. Gas/Diesel. Battery coolant (Hybrid).


The gas will continue to oxidize for years, eventually turning into a sticky varnish. Definitely add more Sea Foam and take the car for a drive, so the treated gas gets into the fuel injectors, intake valves, top piston rings and exhaust valves. You almost can't add too much Sea Foam, so I'd put 4 oz. per gallon. Adding STA-BIL simultaneously will only ...


If the car runs fine you should be OK-just put some fresh fuel in soon.

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