How to read codes on Porsche 968 without a 9268 tool
It is possible to read fault codes on the Porsche 968 with the use of a diagnostic tool.
1. With the engine off turn the ignition switch to the "ON" Position.
2. Press the accelerator pedal all the way to the floor for 3-5 seconds.
3. Wait for the "Check Engine" light to flash, then release the accelerator pedal.
The cars computer will begin to flash the "Check Engine" light.
Count the number of flashes between and notice the pause between flashes.
In this case code 24 is the "Oxygen Sensor"
How to clear codes
1. With the engine off turn the ignition switch to the "ON" Position.
2. Press the accelerator pedal all the way to the floor for 11 seconds.
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Porsche 968 Fault Codes
- 11 Supply voltage
- 14 Engine temperature sensor 2
- 16 Throttle potentiometer
- 17 Oil temperature sensor
- 18 RPM signal
- 19 Speed signal speedometer
- 21 Air flow sensor
- 23 Oxygen regulation
- 24 Oxygen sensor
- 26 Ignition timing change
- 27 Opening winding of idle stabilizer
- 28 Closing winding of idle stabilizer
- 29 Activation of A/C relay
- 31 Knock sensor 1
- 32 Knock sensor 2
- 33 Control unit faulty
- 34 Hall signal
- 35 VarioCam
- 36 Idle CO potentiometer
- 41 Control unit faulty
- 42 Fuel pump relay (DME-relay)
- 43 Tank ventilation relay
- 45 Check engine warning lamp
- 51 Injection valve cylinder 1
- 52 Injection valve cylinder 2
- 53 Injection valve cylinder 3
- 54 Injection valve cylinder 4
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