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The fuel tank cap seals the fuel filler neck to prevent fuel vapors from escaping and maintains the correct pressure in the evaporative emissions system. Signs of a failing cap include: a check engine light with an EVAP code, a fuel smell around the filler area, or a cap that does not click when tightened or releases pressure immediately when opened. Replace a faulty fuel cap - it is one of the simplest and most affordable fixes for a check engine light.
Motorad manufactures engine cooling thermostats, radiator caps, and related components. Known for quality construction and reliable temperature control, Motorad delivers dependable cooling system performance.
