Difference between revisions of "17544/P1136/004406"

From Ross-Tech Wiki
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* [http://www.ross-tech.com/vag-com/cars/fuel-trim.html Fuel Trim Information]
 
* [http://www.ross-tech.com/vag-com/cars/fuel-trim.html Fuel Trim Information]
 
* When this fault is stored and external vacuum leaks are not found, less obvious problems may be present:
 
* When this fault is stored and external vacuum leaks are not found, less obvious problems may be present:
** Check N80 / Evap Solenoid
+
** Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
 
** Check Brake Booster and Hoses
 
** Check Brake Booster and Hoses
 
** Check Electric Vacuum Pump ( If Applicable )
 
** Check Electric Vacuum Pump ( If Applicable )

Revision as of 16:43, 23 April 2010

17544/P1136/004406 - Fuel Trim: Bank 1 (Add): System too Lean

Possible Solutions

  • Check Mass Air Flow (MAF) Sensor
  • Check Fuel Pressure Regulator
  • Check Fuel Pump
  • Check Intake/Exhaust System for Leaks
  • Check Secondary Air Injection for Leaks
  • Check Vacuum Lines for Leaks

Special Notes

  • Fuel Trim Information
  • When this fault is stored and external vacuum leaks are not found, less obvious problems may be present:
    • Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
    • Check Brake Booster and Hoses
    • Check Electric Vacuum Pump ( If Applicable )
    • Check Crankcase Ventilation System for faulty components