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Home >> Jaguar >> 2016 >> XJR L >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Diagnostic Trouble Code Index DTC: Engine Control Module (ECM) V6 S/C 3.0L Petrol -- XJ/X351) >> DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: V6 S/C 3.0L Petrol, Engine Control Module (ECM) >> Description And Operation >> Powertrain Control Module (Pcm) - 3.0L Petrol >> P21A0-84 Cylinder 5 Air-Fuel Ratio Imbalance - Signal below allowable range >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jaguar XJ, 2016 Jaguar XJ, 2015 Jaguar XJ, 2014 Jaguar XJ, and 2013 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Monitor description  . Inferred mixture strength (lambda) below threshold, (richer mixture). Monitors cylinder specific fuelling errors which may not be detected by the overall fuel system monitor
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