I have a 2001 Ranger and there is a ticking coming from the back of the intake manifold by the firewall. There is a valve or solenoid that is the source of the noise. This device has a hookup to both electrical and vacuum. The noise has been there since about 140k miles and I am now at 221k miles. The truck runs good and the mileage has stayed the same since I purchased it new. Can you tell me what this item does and is it detrimental to the function of the vehicle if it ticks? It is more annoying than anything and I am wondering how long before it fails. Thanks in advance.
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