00537: Difference between revisions

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=== 00537 - Lambda (Oxygen Sensor) Regulation: Upper Limit ===
=== 00537 - Lambda (Oxygen Sensor) Regulation: Upper Limit ===


==== Possible Effects ====
==== Possible Symptoms ====


- No Lambda control<br>
* Lambda Control inactive
- Engine running problems<br>
* Engine running rough


==== Possible Faults ====
==== Possible Causes ====


- Short to Ground<br>
* Wiring and/or Connector(s) from/to Lambda Sensor(s) faulty
- Injector defective (blocked)<br>
* Lambda Control/Sensor(s) faulty
- Fuel pressure regulator defective<br>
* Injector(s) faulty/blocked
- Fuel pump defective<br>
* Fuel Pressure Regulator faulty
- Fuel tank empty<br>
* Fuel Pump faulty
* Fuel Tank empty
* Vacuum/air leaks


==== Possible Solutions ====
==== Possible Solutions ====


- Check Lambda probe and Lambda control<br>
* Check Lambda Control/Sensors
- Check injectors (N30...N33)<br>
* Check/Repair Wiring and/or Connector(s) from/to Lambda Sensor(s)
- Check fuel pressure regulator<br>
* Check/Replace/Clean Injector(s)
- Check fuel pump<br>
* Check/Replace Fuel Pressure Regulator
- Check fuel level in fuel tank<br>
* Check/Replace Fuel Pump
* Check Fuel Level
* Vacuum/smoke test hoses/valves and replace leaking ones
 


=== 00537 - Lambda (Oxygen Sensor) Regulation: Lower Limit ===
=== 00537 - Lambda (Oxygen Sensor) Regulation: Lower Limit ===


==== Possible Faults ====
==== Possible Symptoms ====
 
* Lambda Control inactive
* Engine running rough
 
==== Possible Causes ====


- Activated charcoal filter solenoid valve 1 (N80) leaking/sticking<br>
* Activated Charcoal Filter Solenoid Valve 1 (N80) leaking/sticking
- Injector defective (not closing completely)<br>
* Injector faulty (not closing completely)
- Fuel pressure regulator defective<br>
* Fuel Pressure Regulator faulty


==== Possible Solutions ====
==== Possible Solutions ====


- Check charcoal filter solenoid valve 1 (N80)<br>
* Check/Replace Activated Charcoal Filter Solenoid Valve 1 (N80)
- Check injectors (N30...N33)<br>
* Check/Replace/Clean Injector(s)
- Check fuel pressure regulator<br>
* Check Fuel Pressure Regulator
 
--[[User:Sebastian|Sebastian]] 07:46, 21 November 2005 (Eastern Standard Time)


[[Category:Fault Codes]]
[[Category:Fault Codes]]

Latest revision as of 21:26, 22 May 2012

00537 - Lambda (Oxygen Sensor) Regulation

00537 - Lambda (Oxygen Sensor) Regulation: Upper Limit

Possible Symptoms

  • Lambda Control inactive
  • Engine running rough

Possible Causes

  • Wiring and/or Connector(s) from/to Lambda Sensor(s) faulty
  • Lambda Control/Sensor(s) faulty
  • Injector(s) faulty/blocked
  • Fuel Pressure Regulator faulty
  • Fuel Pump faulty
  • Fuel Tank empty
  • Vacuum/air leaks

Possible Solutions

  • Check Lambda Control/Sensors
  • Check/Repair Wiring and/or Connector(s) from/to Lambda Sensor(s)
  • Check/Replace/Clean Injector(s)
  • Check/Replace Fuel Pressure Regulator
  • Check/Replace Fuel Pump
  • Check Fuel Level
  • Vacuum/smoke test hoses/valves and replace leaking ones


00537 - Lambda (Oxygen Sensor) Regulation: Lower Limit

Possible Symptoms

  • Lambda Control inactive
  • Engine running rough

Possible Causes

  • Activated Charcoal Filter Solenoid Valve 1 (N80) leaking/sticking
  • Injector faulty (not closing completely)
  • Fuel Pressure Regulator faulty

Possible Solutions

  • Check/Replace Activated Charcoal Filter Solenoid Valve 1 (N80)
  • Check/Replace/Clean Injector(s)
  • Check Fuel Pressure Regulator