Engine Emission Control
- Engine Emission Control (2.5L/3.0L/4.2L)
- Specifications
- Engine Emission Control - Description & Operation
- Engine Emission Control - Description & Operation (VIN Range: N52207->N99999)
- Engine Emission Control - Diagnostic Procedures
- Notes
- Pinpoint Test A: Diagnostic Trouble Code (DTC) P0400 indicates exhaust gas recirculation (EGR) system flow malfunction.
- Pinpoint Test B: Diagnostic Trouble Code (DTC) P0405 indicates exhaust gas recirculation (EGR) valve malfunction, short to battery/12volts
- Pinpoint Test C: Diagnostic Trouble Code (DTC) P0406 indicates exhaust gas recirculation (EGR) valve malfunction, short to ground/open circuit.
- Engine Emission Control - Diagnostic Procedures (VIN Range: N52207->N99999)
- Overview
- Inspection and verification
- Engine Emission Control
- DTC index
- Pinpoint tests
- Notes
- Pinpoint Test A: CHECK THE EGR STEPPER SUPPLY AND CONTROL CIRCUITS
- Pinpoint Test B: CHECK THE SECONDARY AIR INJECTION PUMP CIRCUITS
- Pinpoint Test C: (N/A FEDERAL SPECIFICATION ONLY) CHECK THE SECONDARY AIR INJECTION MAP SENSOR CIRCUITS
- Pinpoint Test D: CHECK THE SECONDARY AIR INJECTION CONTROL VALVE CIRCUITS
- Engine Emission Control - Diagnostic Procedures (VIN Range: N80181->R99999)
- Inspection and verification
- Engine Emission Control
- DTC index
- Pinpoint tests
- Notes
- Pinpoint Test A: CHECK THE EGR STEPPER SUPPLY AND CONTROL CIRCUITS
- Pinpoint Test B: CHECK THE SECONDARY AIR INJECTION PUMP CIRCUITS
- Pinpoint Test C: (N/A FEDERAL SPECIFICATION ONLY) CHECK THE SECONDARY AIR INJECTION MAP SENSOR CIRCUITS
- Pinpoint Test D: CHECK THE SECONDARY AIR INJECTION CONTROL VALVE CIRCUITS
- Exhaust Gas Recirculation (EGR) Valve - Removal and Installation
- Exhaust Manifold to Exhaust Gas Recirculation (EGR) Valve Tube - Removal and Installation
- Secondary Air Injection (AIR) Control Valve - Removal and Installation (3.0L)
- Secondary Air Injection (AIR) Control Valve - Removal and Installation (4.2L, Vehicles Without: Supercharger)
- Secondary Air Injection (AIR) Control Valve - Removal and Installation (4.2L, Vehicles With: Supercharger)
- Secondary Air Injection (AIR) Control Valve to Exhaust Manifold Tube LH - Removal and Installation (3.0L)
- Secondary Air Injection (AIR) Control Valve to Exhaust Manifold Tube RH - Removal and Installation (3.0L)
- Secondary Air Injection (AIR) Control Valve to Exhaust Manifold Tube - Removal and Installation (4.2L, Vehicles Without: Supercharger)
- Secondary Air Injection (AIR) Control Valve to Exhaust Manifold Tube - Removal and Installation (4.2L, Vehicles With: Supercharger)
- Secondary Air Injection (AIR) Pump - Removal and Installation