LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

EGR Valve testing...

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Old 06-18-2007, 12:22 AM
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EGR Valve testing...

Does anyone have a pic of where you are supposed to push on the EGR valve to check if it is stuck or not? I was feeling aroung back there this evening and couldnt figure it out.
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Old 06-18-2007, 07:27 AM
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http://shbox.com/1/4th_gen_EGR.html
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Old 06-18-2007, 05:15 PM
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Cool

The bottom of the EGR housing will have a "button', rather, to push up upon when running at a warm idle. If the engine stumbles and tries to cut off, the EGR valve is good. If there is no difference, or the idle does not change, the EGR valve is bad. That's that. Good luck

~Jonny
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Old 06-18-2007, 07:37 PM
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Thanks guys, I gotta go see if I could test it out.
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