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# EGR VALVE > INSPECTION

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1. INSPECT EGR VALVE

1. When a vacuum of 26.7 kPa (200 mmHg, 7.87 in.Hg) is applied to the diaphragm chamber, check that the shaft rises and that air flows out.

1. Maintaining the above conditions, check that there are no leaks and that the shaft does not lower.

1. Check that the valve does not have heavy carbon deposits and is not stuck.
   If the result is not as specified, replace the EGR valve.