How to Check an EGR Valve?

Answer The exhaust gas recirculation valve, or EGR valve, is an important component of your vehicle's exhaust circulation system. The EGR valve helps to optimize fuel delivery by recirculating exhaust gas... Read More »

Top Q&A For: How to Check an EGR Valve

Your plumber replaced your defective effluent pump without installing a check valve There is a lot of effluent coming back into the pump pit. Should you ask him to install a check valve or not?

How to Check a PCV Valve?

The positive crankcase ventilation valve, or PCV valve, is located in the crankcase breather chamber or in a hose that connects the breather chamber to the intake manifold. The PCV valve reroutes ... Read More »

How to Check an IAC Valve?

The idle air control, or IAC, valve regulates the amount of air that enters the engine while a vehicle is idling by opening or closing a bypass in the throttle body. Increasing the volume of air en... Read More »

How Can I Check the Iac Valve?

The amount of air that enters a vehicle's engine is an important factor for controlling how well the car functions, including its idling speed. One component, the IAC valve, helps control this idli... Read More »