EGR Valve Inspection

EGR Valve Inspection

EGR Valve Removal and Installation
1) Check resistance between the following terminals of EGR valve (1) in each pair.

A - B, C - B, F - E, D - E terminal
20 - 24 ohms at 20 °C, 68 °F

B terminal - valve body, E terminal - valve body
Infinity (infinity)

If found faulty, replace EGR valve assembly.





2) Remove carbon from EGR valve gas passage.

CAUTION:
Do not use any sharp-edged tool to remove carbon.

Be careful not to damage or bend EGR valve (1), valve seat (3) and rod.

3) Inspect valve (2), valve seat and rod for fault, cracks, bend or other damage.

If found faulty, replace EGR valve assembly.