EGR diagnostics Code 32
EGR SOLENOID 1990-92 ECM 1227730 PIN E9 (GRAY) ECM 1227727 PIN A4 (GRAY)
EGR DIAGRAM 1985-1989 MAF SYSTEM
EGR SOLENOID 1990-92 ECM 1227730 PIN E9 (GRAY) ECM 1227727 PIN A4 (GRAY). EGR SWITCH is not used on the speed density systems.