1990 Mazda B2200 Egr Valve Receives Vacuum Times Pyump Tested Works Fine

1990 MAZDA B2200
50,000 MILES
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WRATCHET00000
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egr valve receives vacuum at all times. egr vacuum pyump tested works fine. what controls the vacuum to the valve.If the egr solenoid how do I test it?
Apr 5, 2013 at 7:45 PM
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