DTC P219D-85: Cylinder 2 Air-Fuel Ratio Imbalance - Signal above allowable range: Action
- Vehicle Conditions to Enable DTC Setting Strategy
- Engine coolant temperature greater than 50°C
- Drive vehicle at steady load in 6th gear to achieve an engine speed of 1200-2400rpm, maintain these conditions for 10 minutes (highway cruise)
- Prioritized Checks to Perform
- Inspect connectors for signs of water ingress and pins for damage and/or corrosion
- Refer to the electrical circuit diagrams and check the fuel injector circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Check the intake manifold for air leaks. Rectify as necessary
- Check the fuel injector for external fuel leaks. Rectify as necessary
- Check the fuel injector for restrictions. Rectify as necessary
- Check the fuel rail for restrictions. Rectify as necessary
- Check for air leak around the spark plug. Rectify as necessary
- Check for air leak around the fuel injector. Rectify as necessary
- Install a new fuel injector
- Install a new ignition coil
- Refer to the relevant service information and check the camshaft profile switching system for correct operation
- Using the Jaguar Land Rover approved diagnostic equipment, run application - ECU Diagnostics/Powertrain Control Module (PCM)/Clear Diagnostic Trouble Code(s). Retest