Chery Tiggo 8 Pro engine management light — P0171 lean mixture
Engine management light illuminates with P0171 system too lean fault code. Most commonly caused by a dirty or faulty mass airflow sensor on the 2.0T SQRE4T20C engine. Cleaning the MAF sensor with specialist cleaner resolves the issue in the majority of cases. If the fault returns, the sensor requires replacement.
Repair / Solution
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⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Chery Tiggo 8 Pro 2021 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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