Maintenance Electronic Control System Diagnostics Camshaft Position (CMP) Sensor Exhaust Back Pressure (EBP) Sensor Exhaust Back Pressure (EPR) Regulator Injection Control Pressure (ICP) Sensor Injection Pressure Regulator (IPR) Manifold Absolute Pressure (MAP) Sensor Powertrain Control System Electronics Diagnostic Guides 1994 1995/1996 1997 1999 PCED OBDII-Diesel 2000 PCED OBDII-Diesel 2001 PCED OBDII-Diesel 2002 PCED OBDII-Diesel 2003 PCED OBDII-Diesel 2004 PCED OBD 6.0L Diesel Diesel Engine Diagnostic Guide