25/08/2026
An AdBlue issue on a Renault Kadjar 1.5 dCi usually causes a warning light, a restart countdown, or a no-start condition due to emissions control limits.
Common Causes Crystallization:
Urea deposits block the AdBlue injector or lines, especially with frequent short urban trips.
NOx Sensor Failure:
Sensors fail or lose accuracy, triggering fault codes like P229F or P2BAA.
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