Exhaust Gas RECIRCULATION Vacuum Regulator Solenoid Valve, Checking: Notes

NOTE:

Cylinder bank 1 is located in direction of travel, right.

Cylinder bank 2 is located in direction of travel, left.

Special tools and workshop equipment required

Test Prerequisites

Fuses in E-box (plenum chamber, left) must be OK: Refer to SYSTEM WIRING DIAGRAM

Fig 1: Identifying Fuse Holder
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
Battery voltage must be at least 11.5 volts.
All electrical consumers such as, for example, lights and rear window defroster must be switched off.
For vehicles with automatic transmission, selector lever must be in P.
If vehicle is equipped with an A/C system, it must be switched off.
Ground (GND) connections between engine and chassis must be OK.
No leaks on intake or exhaust side.
Vacuum hoses must be properly sealed.
Ignition is switched off.

Cylinder bank 1: Check EGR Vacuum Regulator Solenoid Valve -N18-, refer to EXHAUST GAS RECIRCULATION REGULATOR SOLENOID VALVE, TEST SEQUENCE .

Cylinder bank 2: Check Valve 2 for EGR -N213-, refer to EXHAUST GAS RECIRCULATION VALVE 2 N213, TEST SEQUENCE .