Question about Mazda MPV
More than likely a dirty MAF sensor (Mass Air Flow) It's the large round air intake with wires going to it. It requires special MAF sensor cleaner - DO NOT use spray carb cleaners as you will damage it.
Posted on Mar 25, 2011
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Posted on Jan 02, 2017
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P0174 - Fuel Injection System Too Lean Bank 2 Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Excessive Fuel Consumption Possible causes - Intake air leaks
- Front Heated oxygen sensor may be faulty
- Injectors may be faulty
- Exhaust gas leaks
- Incorrect fuel pressure
- Lack of fuel
- Mass air flow sensor may be faulty
- Incorrect PCV hose connection Possible solution Dirty air filter of faulty air flow sensor are common causes of the problem. Bottom line possible defective Mass airflow sensor and or O2 sensor in cylinder bank number two.
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