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P0139 Code: O2 Sensor Circuit Slow Response (Bank 1, Sensor 2) - In The Garage with CarParts.com
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P0139 Code: Oxygen Sensor Issue (Causes and How to Fix)
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P0139 Code: O2 Sensor Circuit Slow Response (Bank 1, Sensor 2) - In The Garage with CarParts.com
2005 RSX type-S, P0139, occasional p0171, have no clue what to do. : r/MechanicAdvice
P0139 Code: O2 Sensor Circuit Slow Response (Bank 1, Sensor 2) - In The Garage with CarParts.com
P0139 – Heated oxygen sensor (HO2S) / oxgen sensor (O2S) 2, bank 1 -slow response – TroubleCodes.net
BMW E90 Oxygen Sensor Replacement | E91, E92, E93 | Pelican Parts DIY Maintenance Article
