Clogged EGR Valve
If you have a clogged EGR valve and it is a mechanical valve, a simple cleaning may be sufficient. If it is an electrically controlled EGR valve, replacement may be necessary. An EGR valve is an expensive engine component so care should be taken to ensure that it needs to be replaced rather than repaired. A reputable mechanic should be able to diagnose any EGR problems and advise you whether repairing or replacement is necessary. Check out this website for more information about EGR valves. http://www.wisegeek.com/how-can-i-tell-if-my-egr-valve-needs-to-be-cleaned-or-replaced.htm
Posted by Trish on 8/24/2009
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The EGR valve can be clogged, and a simple cleaning of a mechanical EGR valve may solve the problem. In the case of an ... When the EGR valve is clogged or malfunctioning, it can cause irregularities in engine performance such as rough idling or valve knock, indicating that the EGR valve should be inspected.
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Engine Tune-Up 2003 from your About.com Guide to Auto Repair ... If there is no change in the engine rpm remove the EGR valve and perform the same test, this time watching the valve to open. If it does, then you have clogged EGR passages.
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Your questions answered by your About.com Guide for Auto Repair. ... Now it could be because the EGR valve is bad. Or it could be a clogged EGR tube or a broken vacuum line. This is why you have to be careful and check the whole system before you go changing parts.
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Like any part, your Ford EGR valve or Toyota EGR valve is subject to getting clogged with dirt or crud. A clogged unit may cause your car to stall, hesitate, or idle roughly. Sometimes, simply cleaning the EGR valve with a product like STP carburetor cleaner will resolve the problem.
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RFC 1 - Host Software ... It is possibly to "Clean" an EGR valve. Since is simply pulls exhaust gasses from your exhaust and introduces them back into your engine's intake air it only makes sense that eventually it will become clogged or stuck open/closed from the carbon deposits.
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EGR valves do not normally require maintenance, but can become clogged with carbon deposits that cause the valve to stick or prevent it from opening or closing properly. An EGR valve that is stuck open will act like a vacuum leak and cause a rough idle and stalling.
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This is called "pulse width modulation." If the filter becomes clogged, the vacuum cannot bleed off and too strong a signal will be sent to the valve. If that happens, the EGR valve will open too much and cause a driveability problem.
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Car Forums EGR Valve - Clogged passage in intake manifold Accord/TSX/Accord Hybrid ... Automotive Forums .com Car Chat > Honda > Accord/TSX/Accord Hybrid > EGR Valve - Clogged passage in intake manifold | EGR Valve - Clogged passage in intake manifold...
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Car EGR Valve Questions and Answers Got a Car Repair Question? 2CarPros.com Professional Mechanics Online will answer it FREE. ... Repair Topics / EGR Valve...
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Clogged EGR Valve
Definition of
- EGR
- -n.
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