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- - Code 4266 Return Pump fault (http://986forum.com/forums/performance-technical-chat/82204-code-4266-return-pump-fault.html)

MaddMatt

04-17-2022 01:53 PM

Code 4266 Return Pump fault

2001 2.7L manual.

ABS and PSM lights on, and they stay on continuously.

Durametric returns code 4266, Return Pump Fault. No other codes/messages.

Thoughts? Prayers?

I guess I have a pump replacement in my future.

JFP in PA

04-18-2022 06:06 AM

Possible bad pressure sensor in the ABS system, or a failure of the pump itself.

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