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Citroën & Vauxhall AdBlue Faults: P20E9, U029D & Other Codes
Citroën and Vauxhall vans are some of the most common we attend for AdBlue-related faults. Codes like P20E9 (reductant pressure too high) and U029D (lost communication with the NOx sensor) can put a van into limp mode or start a no-start countdown at the worst time. Here’s a clear guide…
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Top 5 AdBlue Fault Codes Across Peugeot, Citroën and Ford Vans
Got an AdBlue fault code on the dash? Here’s what it actually means and what to do next. AdBlue warning on and you need a quick answer?Here are the most common AdBlue and SCR fault codes, what they usually mean, and what to do next before you hit a no-start…