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Diesel with AdBlue (SCR) system

AdBlue fault traced to a leaking dosing injector

Job from February 2024

Job sheet Diesel
Vehicle
Diesel with AdBlue (SCR) system
Came in with
AdBlue warning and flow problems. Two vehicles like this came in the same week, and owners had often spent thousands elsewhere first.
What we found
A leaking AdBlue injector was upsetting the flow through the system.

Rewritten from PK’s original post of February 2024. Old address: /blog/ad-blue-specialists/ (now redirects here).

More from the workshop

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    In
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    Found
    Severe corrosion. Injector 1 had snapped at an unusual point; injector 2 snapped leaving its cap in the head.
  • Diesel October 2016

    SEAT 2.0 PD diesel

    Heavy smoke after an engine swap: worn injector seats

    In
    Smoking badly and cutting out after a replacement engine (customer-supplied) had been fitted elsewhere.
    Found
    The injector and cylinder head were worn away, and the injector seats were beyond saving even with seat-cutting equipment.

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