![]() The EVAP purge valve works like a solenoid to help harmful gases exit safely. This valve is either near the engine’s throttle body or under the car by the fuel tank. The EVAP purge valve plays an important role in preventing emissions from your vehicle. For this, you can go to your nearby mechanic to have a professional smoke test done for the EVAP system. You might also need to perform a smoke test using a smoke machine to detect any leaks in EVAP hoses before proceeding further. Any smoke oozing from the system will lighten up in the ultraviolet light. You can use a UV light across the car’s underside, following the system’s path from the engine section to the rear fuel tank to inspect the EVAP system connections. Finding any dirty or damaged parts makes fixing the problem easier. This makes a big vacuum in the EVAP system.Īlso check around the hoses and tubes connecting to the EVAP for debris or junk that should not be there.Ī visual check of the whole EVAP system is a good first step when the P1450 code comes on.
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