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Discussion Starter #1 (Edited)
Hi, I got a 2004 Porsche Cayenne with the 4.5L V8 non turbo and it won’t start. The engine cranked over for a while and nothing, after a few seconds of cranking on the third or fourth try it had a little life in it but still didn’t start. It has a new starter and a new battery so I know neither of those are the issues. I pulled on of the spark plugs and checked if it had spark and it did, I’ll check the rest later today but I believe they all have spark. I checked to see if there was fuel pressure, I don’t have a pressure tester so I just emptied out the fuel rail so their was no pressure then turned it to the run position for a minute then pushed on the valve at the front and it had built up pressure again so I’m assuming it isn’t the pump. Any ideas on what it could be?


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