00537

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00537 - Lambda (Oxygen Sensor) Regulation

00537 - Lambda (Oxygen Sensor) Regulation: Upper Limit

Possible Effects

- No Lambda control
- Engine running problems

Possible Faults

- Short to Ground
- Injector defective (blocked)
- Fuel pressure regulator defective
- Fuel pump defective
- Fuel tank empty

Possible Solutions

- Check Lambda probe and Lambda control
- Check injectors (N30...N33)
- Check fuel pressure regulator
- Check fuel pump
- Check fuel level in fuel tank

00537 - Lambda (Oxygen Sensor) Regulation: Lower Limit

Possible Faults

- Activated charcoal filter solenoid valve 1 (N80) leaking/sticking
- Injector defective (not closing completely)
- Fuel pressure regulator defective

Possible Solutions

- Check charcoal filter solenoid valve 1 (N80)
- Check injectors (N30...N33)
- Check fuel pressure regulator

--Sebastian 07:46, 21 November 2005 (Eastern Standard Time)