Alfa Romeo Stelvio 2.2 diesel EGR valve fault limp mode
Engine management light and reduced power on the Alfa Romeo Stelvio 2.2 JTD diesel. The EGR valve accumulates carbon deposits, causing the valve to stick and trigger limp mode. Cleaning the EGR valve and associated intake manifold passages resolves the fault in most cases. A quality EGR cleaner applied through the intake while the engine is running provides a temporary solution. Full EGR valve removal and cleaning is the definitive repair.
Repair / Solution
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No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Alfa Romeo Stelvio 2018 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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