2011 Mazda 2 Codes P0140 and P0171, engine lamp is ON.

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Codes P0140 and P0171, engine lamp is ON.

What is your question?

My Mazda 2 2011 (skyactive, istop) is showing fault codes P0140 and P0171 when diagnosed. P0140 - O2 Sensor Circuit No activity detected( Bank 1 sensor 2) P0171 - System too Lean (Bank 1)

afrah in Clinton IA

Jun 3, 2013

1 Reply

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RepairPal Certified shops can diagnose and repair your 2011 Mazda 2. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What are the best Mazda repair shops?

RepairPal Certified shops can diagnose and repair your 2011 Mazda 2. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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