View source for 17559/P1151/004433

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== 17559/P1151/004433 - Long Term Fuel Trim Additive Air; Bank 1; Range 1: System too Lean ==

==== Possible Symptoms ====

* Malfunction Indicator Lamp (MIL) active

==== Possible Causes ====

* Intake System faulty/leaking
* Fuel Pressure, Fuel Pressure Regulator and Fuel Pump faulty
* Fuel Injectors faulty/leaking
* Exhaust System faulty/leaking
* Activated-Charcoal Filter/System faulty/leaking
* Secondary Air Injection System faulty/leaking
* Lambda/Oxygen Sensor(s) before Catalytic Converter faulty
* Lambda/Oxygen Sensor(s) after Catalytic Converter faulty

==== Possible Solutions ====

* Check Intake System for Leaks
* Check Fuel Pressure, Fuel Pressure Regulator and Fuel Pump
* Check Fuel Injectors
* Check Exhaust System for Leaks
* Check Activated-Charcoal Filter/System 
* Check Secondary Air Injection System
* Check Lambda/Oxygen Sensor(s) before Catalytic Converter
* Check Lambda/Oxygen Sensor(s) after Catalytic Converter

[[Category:Fault Codes]]