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		986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Performance and Technical Chat
Code 4266 Return Pump fault

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04-17-2022, 01:53 PM	#1
MaddMatt Registered User Join Date: Sep 2019 Location: Flo-Rida Posts: 10	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. __________________ Matt - 2001 Boxster 2.7L Last edited by MaddMatt; 04-17-2022 at 02:39 PM.

04-18-2022, 06:06 AM	#2
JFP in PA Registered User Join Date: Feb 2005 Location: It's a kind of magic..... Posts: 6,273	Possible bad pressure sensor in the ABS system, or a failure of the pump itself. __________________ “Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein

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