P1171 Opel Fuel System Lean During Acceleration
Possible causes
– Plugged fuel filter or low fuel pressure
– Faulty or dirty Mass Air Flow sensor
– Faulty or dirty Mass Air Flow sensor
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Opel Vehicle:Opel Meriva,Opel Astra,Opel Corsa,Opel Zafira,Opel Omega,Opel Calibra,Opel Vectra