In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen
oxide (NOx) ... By 1973, an EGR valve controlled by manifold vacuum opened or
closed to admit exhaust to the intake trac...
Jul 12, 2014 ... The EGR, or Exhaust Gas Recirculation system, is one of the most ... Making sure
that the valve is in optimal condition is essential to the truck's function. As a truck
owner, it's important that you keep the EGR valve in good ...
www.ask.com/youtube?q=Function of the EGR Valve&v=ud60NZuma-A
Dec 31, 2013 ... More technical help available: https://mercedessource.com/problems/e... Kent
explains the function of an EGR valve and how to test one using ...
An EGR valve helps to improve the performance and economy of a vehicle while
reducing emissions by directing exhaust gases back into the cylinders of the ...
The EGR valve symptoms include an open EGR valve causing a misfire or a
closed EGR valve causing ping. What is an EGR valve and what does it do?
Oct 27, 2015 ... Recognizing symptoms of a bad EGR valve will help you troubleshoot potential
problems sooner and restore engine performance faster.
Most early EGR valves were vacuum-operated. A vacuum diaphragm opened
and closed a valve, allowing and cutting off exhaust flow. An early refinement
Although an EGR valve is the most effective method of controlling oxides of
nitrogen, by design it adversely affects engine performance. Your classic car
When the engine is idling, the EGR valve is closed and there is no EGR flow into
... that the control function occurs when backpressure goes down instead of up.
If not, learn how to clean EGR valve in 7 steps. ... An EGR (Exhaust Gas
Recirculation) valve is very important for the exhaust system in a vehicle. ... While
there is no conclusive way of testing EGR function at home, you can always
remove and ...