How Can I Tell if My EGR Valve Needs to be Cleaned or Replaced?

27 Апр 2015 | Author: | No comments yet »

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How Can I Tell if My EGR Valve Needs to be or Replaced?

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The Gas Recirculation (EGR) valve is an part of the exhaust circulation of a vehicle. EGR valves have in use in the United States since the when car companies were ways to increase the efficiency of while also decreasing When the EGR valve is clogged or it can cause irregularities in engine such as rough idling or knock, indicating that the EGR should be inspected.

The EGR valve works by routing a amount of exhaust back the combustion chamber. When the in the combustion chamber is too high, oxides are produced, which with elements in the atmosphere to smog. Introducing a small of exhaust into the system the temperature in the combustion chamber, the amount of nitrogen oxides

Many EGR valves are mechanical, and have a small valve opens to allow exhaust the combustion chamber and closes it is not necessary, and to keep the air mixture for combustion. Some mechanical will not open until is sufficient back pressure, that the valve will not be when the engine is idle or up and needs a higher concentration of for combustion. Electronic EGR valves are available, and use electronics to regulate the

If the EGR valve is stuck open, it essentially cause a vacuum leading to inefficient combustion, idling, hesitation, and sometimes in extreme cases. This is the car cannot combust on carbon from the tailpipe it needs oxygen. If the combustion chamber is with exhaust from an EGR valve, it will not function To check and see if the EGR valve is stuck have someone idle a vehicle with the brake on you examine the plunger shaft to see if it is open.

If the EGR valve is stuck closed, of nitrogen oxides will and the car may start to knock. Spark happens when the fuel in the combustion chamber ignites it has been reached by the explosion in the resulting in a disruption of the engine In this instance, the engine be warmed up and revved to see if the EGR valve move.

In both cases, simple are possible. The EGR valve can be clogged, and a cleaning of a mechanical EGR valve may the problem. In the case of an electrically EGR valve or a more complex problem, replacement of the valve may be The EGR valve is an expensive motor component, and care should be to ensure that it needs to be rather than repaired. A mechanic should advise you

Failure to repair or replace the EGR will not lead to a life condition, although it will the life of your car and increase the emissions. Especially in areas require smog testing, an with a malfunctioning EGR valve may not

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