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What is the cause of Audi A6 P1137 P1139?

1 Answers

Ingrid

07/29/25 10:44pm

Audi A6 P1137 P1139 causes: 1. Fault code: P1137 Chinese meaning: Long-term fuel trim, additional fuel - system (mixture ratio) too rich (Bank 1) Category: Powertrain system (manufacturer-defined meaning) Detailed meaning: Fuel trim refers to the electronic control unit (ECU) controlling fuel delivery by increasing or decreasing the injector opening time to achieve the optimal air-fuel ratio for the engine. A mixture too rich indicates excessive fuel delivery, while a mixture too lean indicates insufficient fuel delivery. Possible causes include a faulty mass air flow sensor or manifold absolute pressure (MAP) sensor, excessively high fuel pressure, a faulty fuel pressure regulator, etc. 2. Fault code: P1139 Chinese meaning: Long-term fuel trim, additional fuel - system (mixture ratio) too rich (Bank 2) Category: Powertrain system (manufacturer-defined meaning) Detailed meaning: Fuel trim refers to the electronic control unit (ECU) controlling fuel delivery by increasing or decreasing the injector opening time to achieve the optimal air-fuel ratio (air to gasoline mass ratio of 14.7:1). A mixture too rich indicates excessive fuel delivery, possible causes include faulty fuel injectors, faulty oxygen sensors, incorrect camshaft timing, overfilled engine oil, evaporative emission system errors, or a faulty powertrain control module (PCM or ECM).

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Which country is Zongshen Motorcycle from?

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