Home / DTC / P0174 — PCM software needs to be updated, Vacuum leaks (Intake Manifold Gaskets, vacuum hoses, PCV hoses, etc.), Faulty Mass Airflow (MAF) Sensor, Plugged Fuel Filter or weak Fuel Pump, Plugged or dirty Fuel Injectors

P0174 — PCM software needs to be updated, Vacuum leaks (Intake Manifold Gaskets, vacuum hoses, PCV hoses, etc.), Faulty Mass Airflow (MAF) Sensor, Plugged Fuel Filter or weak Fuel Pump, Plugged or dirty Fuel Injectors

Detailed page for trouble code P0174.

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Code

P0174

AUDI P — Powertrain

PCM software needs to be updated, Vacuum leaks (Intake Manifold Gaskets, vacuum hoses, PCV hoses, etc.), Faulty Mass Airflow (MAF) Sensor, Plugged Fuel Filter or weak Fuel Pump, Plugged or dirty Fuel Injectors

Brand: AUDI
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AUDI

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Code

P0174

Generic P — Powertrain

System Too Lean Bank 2

Brand: Generic
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Code

P0174

GWM P — Powertrain

- The mixture is poor (bank 2)

Brand: GWM
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Code

P0174

HUMMER P — Powertrain

Fuel Trim System Lean Bank 2

Brand: HUMMER
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138

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Code

P0174

LAND ROVER P — Powertrain

Too lean system (bank 2)

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320

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Code

P0174

MITSUBISHI P — Powertrain

Fuel trim 2 too lean

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406

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MITSUBISHI

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