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#1
01-18-2005, 12:42 AM
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ERG valve
How do you test a EGR valve to make sure it is functioning correctly. I had a plugged system all the way from the exhaust all the way to the back of the intake manifold SOLID! I was wondering if this is common on the 1.0 and how to check the valve to make sure it doesn't happen again.
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#2
01-19-2005, 05:16 PM
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Re: ERG valve
Fairly common I think. Mine was plugged solid also. I now make a point of checking/cleaning it every time I change the oil. The book says you can check it by running the engine up to normal operating temperature. Then place a finger on the EGR valve diaphragm and accelerate the engine - you should feel the diaphragm moving.
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1993 Geo Metro - 1.0, MT, A/C - 343K Miles
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