EGR Valve: Testing and Inspection

Exhaust Gas Recirculation System (EGR)

Note: The following testing applies only to vehicles with HFM-SFI Fuel Injection/Ign Sys - Up To 5/31/99 (production date). No testing is given for ME-SFI Fuel Injection/Ign Sys - From 6/1/96 (production date).

Connecting Diagram For Intake Manifold:

Connecting Diagram For Intake Manifold / EGR Location

89 Exhaust gas recirculation valve

Engine Mounted Components:

Y27 Exhaust gas recirculation switchover valve (upper left of image)






Component Locations

K40 Relay module
N3/4 Engine control module (HFM-SFI)
X11/4 Data link connector (DTC readout)






Connection diagram

003 Multimeter
050 Socket Box (126 Pole)
088 Test Cable
N3/4 Engine control module (HFM-SFI)

40.0 - 44.0:

38.0 - 39.0:

Test Steps