What happens when a purge valve goes bad?
What happens when a purge valve goes bad?
Engine Problems. If your canister purge valve is stuck open, however, it creates a vacuum leak that can affect your engine adversely. This will change the car’s air to fuel ratio, and can cause rough idling (car feels rough and bouncy when the engine is running), as well as difficulty starting.
What causes purge valve to get stuck open?
If the computer is saying that the purge valve is stuck open it is usually because there is an EVAP leak in the system. Most of the time this is caused by a leak in the gas cap or in the line from the tank to the engine. The smoke test will usually identify the issue.
What happens if the purge valve is stuck open?
If your canister purge valve is stuck open, however, it creates a vacuum leak that can affect your engine adversely. Simply put, air will be allowed to enter the engine in a quantity that is not predicted by your car’s computer.
What are the symptoms of a bad canister purge valve?
The most common purge valve issues are when the purge valve is stuck open or closed, or does not open at the proper time. The symptoms are listed below that may indicate your canister purge valve is not functioning properly. 1. Check Engine Light Is On The first sign of trouble for your canister purge valve is the check engine light.
What is a purge valve solenoid?
The canister purge valve is electrically operated, and is also referred to commonly as a solenoid. The most common purge valve issues are when the purge valve is stuck open or closed, or does not open at the proper time.
How much does it cost to replace a purge valve?
If experienced in tandem, there is a high likelihood of a failing canister valve, or some other part of the EVAP system. A canister purge valve is a relatively inexpensive repair, with our prices ranging between $100 – $150. If you experience 1 or more of the problems listed above, book a repair with a certified mechanic to diagnose the problem.
