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Allan Adams

Allan ... 10/24/2018

2001 Porsche 911 Turbo 6 Cyl 3.60L

Brakes

How can I diagnose a fault 4266 with a borrowed PST-2 tester.

How can I diagnose a fault 4266 with a borrowed PST-2 tester. Engine in pull down is saying 4 cyl 1.5 but the turbo is a 6cyl 6.3.

1 Answer


Jimm

Jimm 10/9/2019

Fault code 4266
- Return Pump Fault
Probable Cause[s]
1. Open or short circuit condition
2. Poor electrical connection
3. Brake fluid condition
4. Faulty hydraulic pump

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