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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 71 (5.7L - DTCS P219B To P3400) >> DTC Troubleshooting >> P219B Bank 2 Air-Fuel Ratio Imbalance >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
INTAKE MANIFOLD TO CYLINDER HEAD LEAK AT A SPECIFIC CYLINDER ON BANK 2
INTAKE MANIFOLD LEAK AT A SPECIFIC CYLINDER ON BANK 2
FUEL INJECTOR ISSUES AT A SPECIFIC CYLINDER ON BANK 2
IGNITION SYSTEM ISSUES AT A SPECIFIC CYLINDER ON BANK 2
CYLINDER COMPRESSION IMBALANCE
CARBON BUILD UP
VARIABLE VALVE TIMING ISSUES
VALVE TRAIN ISSUES
O2 SENSOR

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .