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Prev Professional Automotive Repair Technical Discussions for February 7, 2016
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2004 Porsche Cayenne S 4.5L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: WP1AB29P14
Thank you to all that replied. As I stated, I was not familiar with this fuel system. The insight you all provided really helped. As most said, the left side pump was not running. When I was testing I was thrown off that if the fuse for the left pump was re... Trouble codes: P0021 (A cam position- timing over advanced or system performance bank 2).
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