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Hi. I have tried both. My pump seems ok. Fault code suggested the solinoid so obtained a replacement albeit from a breakers. This came with a pump so changed at the same time. I did however while it was out change the ring. Thanks for your suggestion. Will strip the cover again today and explore air leak. Could my issues be caused by faulty Ecu or relay? thanks for your advice
Hi all i am have the dreaded air suspension issue. I have replaced the pump and solinoid but no success. At the moment when I start my 2005 cayenne all is fine and the pump runs but when it cuts off after about 20 seconds the air suspension light comes on. Any pointers please as I suspect this isn't a normal issue. I have read that the battery if it's not at 100% can throw things out but not sure. Has anyone else suffered with this issue and found a fix. Info greatly appreciated. thanks in advance