17544/P1136/004406: Difference between revisions
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==== Special Notes ====  | ==== Special Notes ====  | ||
* [  | * [[Fuel Trim Info]]  | ||
* 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 Evaporative Emission (EVAP) Canister Purge Regulator Valve (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 )  | ||
** Check Crankcase Ventilation System for faulty components  | ** Check Crankcase Ventilation System for faulty components. When the PCV or Crankcase Ventilation System is faulty, vacuum is typically present under the oil cap and misfire faults are common.  | ||
[[Category:Fault Codes]]  | [[Category:Fault Codes]]  | ||
Latest revision as of 18:23, 6 August 2012
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 Info
 - 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. When the PCV or Crankcase Ventilation System is faulty, vacuum is typically present under the oil cap and misfire faults are common.