P1171 Peugeot Fuel System Lean During Acceleration

P1171 Peugeot Fuel System Lean During Acceleration

Possible causes
– Plugged fuel filter or low fuel pressure
– Faulty or dirty Mass Air Flow sensor
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Peugeot Vehicle:Peugeot 107,Peugeot 208,Peugeot 408,Peugeot 508,Peugeot RCZ,Peugeot 4007,Peugeot Expert Tepee
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