Question about Cars & Trucks
The Exhaust Gas Recirculation valve does just what the name implies: it
diverts some exhau st gases back into the intake system at low engine
speeds. This lowers combustion temperature to reduce NOx levels. It also
reduces throttle response and bottom-end power.
Disabling the EGR valve is easy. Locate the valve and the EGR vacuum modulator valve (two gold-colored metal stampings, usually at the rear of the engine). The EGR valve has steel lines leading to it from the exhaust manifold. The EGR vacuum modulator has two vacuum lines between it and the intake manifold and a third vacuum (soft) line between the modulator and the EGR valve itself.
EGR Vacuum Modulator
EGR valve (arrow) is shown adjacent tosimilar EGR vacuum modulator valve. EGR valve is connected to exhaust manifold with steel lines. Modulator has vacuum lines only.
Disconnect the vacuum line between the valve and modulator and place any solid object of appropriate size (dowel, etc.) in the line, then reconnect the line. Or you can get a EGR block off plate
Posted on Oct 14, 2013
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Posted on Jan 02, 2017
The only thing that I can think to help you out is to either drill a small hole in the center of the bolt and then try to get a flat head screw driver in to unscrew it. Or the other option would be to get those special socket sets that are designed to take out stripped bolts. The set I have is from Sears and I have used it many times so I know they work but I'm sure you can save some money if you go to Home Depot or Lowes. Good luck!
Posted on May 24, 2009
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