EGR Valve: Testing and Inspection

Diagnosis of the EGR valve is covered in Diagnostic Trouble Code (DTC) 32 chart in Computers and Control Systems / System Diagnosis / Procedures / Diagnostic Charts. DTC 32

If DTC 32 is NOT set, and the vehicle displays symptoms such as those described above, refer to CHART C-7 "EGR System Check" in Computers and Control Systems / System Diagnosis / Procedures / Diagnostic Charts. Chart C-7 Exhaust Gas Recirculation (EGR) System Check