The most common problem is the egr solenoid shorting out. Check the wiring to it to make sure it is not open or shorted first. If the wiring is good replace the solenoid.
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The electronic EGR valve and solenoid assembly (3) is attached to the front of the right cylinder head (1). An exhaust gas routing tube connects the EGR valve to the intake manifold.
No a little different. Sorry I should not have assumed !
The electronic EGR valve and solenoid assembly (4) is attached to the rear of the left cylinder head. An exhaust gas routing tube (3) connects the EGR valve to the intake manifold.