Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSJAGUAR2016XJR BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDIAGNOSTIC TROUBLE CODE INDEX DTC: ENGINE CONTROL MODULE (ECM) V8 5.0L PETROL/V8 S/C 5.0L PETROL -- XJ/X351DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: V8 5.0L PETROL/V8 S/C 5.0L PETROL, POWERTRAIN CONTROL MODULE (PCM)DESCRIPTION AND OPERATIONPOWERTRAIN CONTROL MODULE (PCM) - 5.0L PETROLP219F-85 CYLINDER 4 AIR-FUEL RATIO IMBALANCE - SIGNAL ABOVE ALLOWABLE RANGEACTION
2016 Jaguar XJR Base
P219F-85 Cylinder 4 Air-Fuel Ratio Imbalance - Signal above allowable range: Action
2016 Jaguar XJR BaseSECTION Action
NOTE:
Operational requirements needed to allow the monitor to be fully tested. Engine coolant temperature greater than 50Β°C, drive vehicle at steady load in 6th gear to achieve an engine speed of 1200 - 2400 rpm, maintain these conditions for 10 minutes (highway cruise).
- Using the Jaguar Land Rover approved diagnostic equipment check powertrain control module for related misfire DTCs and refer to this DTC index. Rectify these first
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check for air leak on intake manifold to cylinder head connection
- Check for external fuel leak at fuel injector
- Check for fuel restriction within fuel injector
- Check for damage/restriction of fuel rail
- Check for air leak around spark plug
- Check for air leak around fuel injector
- Check and install a new fuel injector as required
- Check and install a new ignition coil as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.