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 | + | ** 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 15:43, 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