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JFP in PA

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Everything posted by JFP in PA

  1. JFP in PA
    Litronics is Porsche's copyrighted name for their Xenon lights. If they are factory lits, you can scan the car and find out what is wrong, if they are not factory lits, check the non functioning light for tight connection. It may also be the module for the light as well.
  2. JFP in PA
    Then it is pretty straight forward, the intake has to come off, as well as any serpentine driven items. You are going to need cam retention and cam timing tools to get the cams out without breaking them, and a copy of the cam reallocation process to reset the timing when you are going back together.
  3. JFP in PA
    The problem with trying to remotely diagnose the position of the valve under the intake is that this valve can stick either open or closed, rendering the remote test useless. Pull the valve and asses its condition (open or closed), and if closed try and bench test it with a 12V source. These valves can sometimes be cleaned out with compressed air, but if it continues to stick in either position, can it and get a new one.
  4. JFP in PA
    This would be infinitely easier with the engine out of the car as a lot of the things you need to get at and remove first are going to be difficult otherwise.
  5. JFP in PA
    Welcome to RennTech I'm afraid the news is not good as your car should not be capable of throwing a P0650 code, so I will have to assume the code they saw was P0605, which is code for a dying DME.
  6. JFP in PA
    What codes are being shown?
  7. JFP in PA
    The main problem on replacing the Tip coolant valve is space; without at least lowering the transmission, it is in a very confined space to work, and is incredibly difficult to remove once disconnected. Can it be done this way? The answer is yes, but it takes way longer and is aggravating as all get out. Lower the trans, you will be glad you did...................
  8. JFP in PA
    Coil on plug ignition systems do not need or use a condenser.
  9. JFP in PA
    Usually, there is a connection between the foam issue and AC cooling. Because these heaters are always hot, air leakage of heated air into the AC system can defeat the AC and give you lukewarm air. Correcting the foam usually brings the AC right back.
  10. JFP in PA
    The oil pressure sensor system does not have an ignition interrupt. When you check the fuel pressure, what value did you see before starting and then running? And did you leave the system connected to see if it is bleeding off pressure?
  11. JFP in PA
    Pressure and volume are not necessarily related, you can have sufficient pressure, but not sufficient volume delivery. There are separate tests for each.
  12. JFP in PA
    I think he is referring to fuel volume delivery over time.
  13. JFP in PA
    Done from underneath the car, by removing the panel in the water pump area.
  14. JFP in PA
    Welcome to RennTech Could be any number of things; I would start by checking the fuel pressure and delivery rates. Cars that have sat for long periods often stir up junk in the tank the plugs the fuel filter.
  15. JFP in PA
    I would seriously doubt that, if the DME had a problem, the system should throw a code.
  16. JFP in PA
    The speed control is solid state and built into the fan motor itself. I believe that a PIWIS unit is capable of testing the system.
  17. JFP in PA
    I think you may find that the main cooling fan speed is pulse width modulated, meaning the fan motor speed is infinitely variable by PWM electronic control; so there is no low and high speed.
  18. JFP in PA
    Welcome to RennTech There are multiple micro switches in the doors (attached to the inside and outside door handle pulls) of these cars which drop the window slightly when opening the door. If one of these fails, the window thinks you are trying to open the door, and the window stays down. To figure out which one is out, you need to pull the door card and test each switch.
  19. JFP in PA
    Welcome to RennTech If memory serves on Canadian cars, the DRL are controlled by a programing "switch" in the DME software that can be set by a PIWIS unit, but it uses bulbs in the headlights, not the fog lights.
  20. JFP in PA
    No. The S calipers are designed for the larger diameter S rotors which will not fit without changing the rear uprights and hubs.
  21. JFP in PA
    Possibly, but not guaranteed.
  22. JFP in PA
    Carbon build up is common, but the corroded ports are of concern, they look like coolant was in them at some point. I would hand rotate this engine, clock wise only, and do a leak down on it before installing it.
  23. JFP in PA
    Get the car scanned with a PIWIS, if it shows actual values, it is not the car. Porsche has always used a unique diagnostic logic in their system, making it extremely difficult to "crack the code". Porsche has also continued to change the DME's in these cars with newer models, which has caused all sorts of weird issues on some models and certain year cars. Durametric recently went through this with the later Cayenne's. Durametric operates without any assistance from Porsche (if anything, Porsche probably wishes they would simply go away and do something else), and has to develop "work around's" for these problems as they surface, and they are often prioritized according to the number of vehicles and users impacted. And some problems simply take more time and effort than others.
  24. JFP in PA
    What compression pressure or leak down value to you have on that cylinder?
  25. JFP in PA
    I would first start with a system voltage test. With the engine off, your battery should show around 12.2 Volts, running that should be in the 13.5-14V range. Next I would look at parasitic draw on the battery. To do this, put your multimeter between the positive cable and the posititve battery cable, set on amperage (low range). After the car has sat for about an hour, it should read 40-60 mA; any more than that and something is draining the battery. You can figure out what circuit is involved by pulling the fuses one at a time until it drops into range. The last circuit pulled is your suspect.
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