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bigbuzuki

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bigbuzuki last won the day on December 25 2021

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About bigbuzuki

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    Australia
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  • Present cars
    2003 Porsche Cayenne Turbo

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Community Answers

  1. Possible Terminal 15 issues due to corroded splices. Check out the link below for possible solution. https://www.renntech.org/topic/30560-critical-electrical-system-faults/?do=findComment&comment=172980
  2. Known issue for older PCMs. No fix as yet. See attachment for info. You can also remove the MOST plug from the DVD and set the date, but the date will reset to the wrong date when you plug the MOST connector back into the DVD and the system receives the GPS signal again. ATI 9 1904 PCM2.1 GPS-Generated Date and Time Are Not Reliable From April 2019.pdf
  3. It is not DFI. The 4.5 litre engines are port injected. The 4.8 litre engines are Direct Fuel Injection.
  4. Thud could be centre bearing carrier for the rear cardon shaft. Whistle may be evident if your aircon servo flaps are closed. Try opening them by turning on the fan and having air flowing to the outlets.
  5. Good to hear you were able to "bend back" the finger. Do you have a scan tool handy in order to measure the #2 camshaft angle to confirm?
  6. Was your replacement actuator the same part number as the off going part ? If I recall correctly, there was a control module change requirement when the transfer case actuator was replaced with an updated part number.
  7. Yes, there is only one hydraulic chain tensioner for your Cayenne S 4.5. It is item 6 on the attached parts list.
  8. Put it in 3rd gear and do a full throttle sprint. You should see the boost gauge read 0.8. The boost / temp sensor located on top of the intake manifold just in front of the throttle valve is the sensor responsible for sensing boost.
  9. Control lines down to the wastegate actuators do crack / split preventing these actuators from opening resulting in overboost condition. N75 valve and boost sensor on the top of the manifold are also in the loop and are possible suspects. Below post is the troubleshooting guide for P0234.
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