Subaru WRX Fuel cap replacement
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Subaru WRX Fuel cap replacement
Subaru WRX fuel cap replacement
The fuel cap (fuel filler cap) has a very important part to play in the operation of a Subaru WRX. Since the 1970s, vehicle manufacturers started to reduce passenger vehicle emissions. One element of achieving this was to reduce the fuel vapour being released from car fuel tanks. Vehicles were fitted with emission control system monitors and an evaporative emission control system (EVAP) which sealed the fuel system of a vehicle, preventing fuel vapour from being released into the atmosphere. Fuel evaporates rapidly and if exposed to air will constantly pollute the environment, even if your Subaru WRX is parked.
Consequently, the importance of the then ‘insignificant’ fuel cap jumped into the spotlight. Now, when your Subaru WRX’s fuel cap fails it can illuminate the vehicle’s check engine light as the system senses a fuel vapour discharge. Also, if the humble fuel cap is faulty it not only can increase fuel consumption but could also create a potentially dangerous situation should a spark cause ignition from flammable vapour leaking from your Subaru WRX.
We handle the fuel cap every time we fill up. Next time you do so, examine it. The cap can quickly get damaged or wear out over time. If your Subaru WRX’s fuel cap needs to be replaced this will cost you around $20 to $160. Price will depend on what Subaru WRX you have and the type of fuel cap required for that specific vehicle.
