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  1. Mobile Dan

    Air Pressure at oil filler cap

    That test result would seem to indicate that the pcv system is plugged, and not letting intake "suck on the crankcase" as it should.
  2. Mobile Dan

    Suddenly developed grinding noise while running.

    So, does the noise happen at 0 MPH? Got oil in the engine?
  3. Mobile Dan

    ABS light intermittently comes on and stays lit on startup.

    My two guesses... Your computer got updated incorrectly and sometimes a system test looks for something that is not there. That sensor may be installed for Airbag System/SRS use and sometimes sets a code if the vehicle is rocking during startup. Replace the shocks.
  4. Mobile Dan

    Air Pressure at oil filler cap

    Never tried this sort of test, but I suppose if you could try this... engine shut off, oil cap on, throttle closed, disconnect pipe or hose between valve cover and air filter (or breather duct) and blow (low pressure) air into pipe. That air should flow into engine, escape through PCV system to...
  5. Mobile Dan

    Air Pressure at oil filler cap

    I will seconds Kev's advice, but also add that some people are fooled by normal "puffy air" at oil fill hole with engine running. Hold a piece of paper or thin cardboard about 1/2 inch above hole to see if the paper is actually blown up or sucked down.
  6. Mobile Dan

    2000 Ford Explorer 5.0L Eddie Bauer running rough

    For bolts that have sheared off (not busted because they would not turn) I sometimes will slot them with a Dremel cut-off wheel. Then, a flat screwdriver is used. Sometimes the slot is at an angle. In the case of the "one thread down" situation, the block would also get slotted a little.
  7. Mobile Dan

    2017 Ram 2500 4x4 pulls to the right?

    Print out that article I linked you to and give it to your alignment guy. He will probably understand it better than both of us.
  8. Mobile Dan

    need owner's manual for '05 Ford Taurus

    Did you screw it onto the can all the way? Try putting it on tighter. Maybe fasten apparatus to another vehicle to see if you get different results with the guage readings.
  9. Mobile Dan

    need owner's manual for '05 Ford Taurus

    So, there is a pretty good chance that the can from last year has gone empty. I think if you pull the trigger (no spacer, apparatus not attached to vehicle) the gauge will show the amount of pressure in the can. Also a full can may have the feel of a full aerosol paint can, and if it is empty it...
  10. Mobile Dan

    Can't find a fuel pump relay.

    Fuse 67 in underhood box. Powers Fuel System Control Module. This car has no traditional fuel pump relay. Fuel System Control Module works via data communication network.
  11. Mobile Dan

    2017 Ram 2500 4x4 pulls to the right?

    I don't know if this applies to your "new truck", but perhaps toe should be "0" and there are other adjustments available at the suspension link arms. https://www.thurenfabrication.com/tech/alignment-and-handling.html
  12. Mobile Dan

    2017 Ram 2500 4x4 pulls to the right?

    Any problems indicated by tire wear? After that many miles "They were not rotated at 6000 miles" uneven tire wear may have provided a clue. Do you know if "Thrust Angle" has been verified? "I realize that highways are crowned but will pull to the right even in the left lane." Sometimes the left...
  13. Mobile Dan

    need owner's manual for '05 Ford Taurus

    A/C Pro has a gauge. I think this gauge works without pulling the trigger. What does the gauge say when you attach to car? What does the gauge say when you attach to car and jumper the low charge protection switch plug (and compressor kicks on)? I am assuming that you have now found the...
  14. Mobile Dan

    2017 Ram 2500 4x4 pulls to the right?

    Is it possibe to swap front tires side-to-side? There is no mention of that common diagnostic procedure. Is it worse of better when towing?
  15. Mobile Dan

    need owner's manual for '05 Ford Taurus

    It now seems most likely that you need to try again to determine if the system is low or not. What is the brand / name / part number of your "freon adding apparatus"? Is that apparatus old / new / full of freon? If you briefly poke (caution, eye protection) a service valve with a small...
  16. Mobile Dan

    need owner's manual for '05 Ford Taurus

    Well... jumper the low charge protection switch connecter with everything turned on and see what happens!
  17. Mobile Dan

    need owner's manual for '05 Ford Taurus

    "should I see 12V at the two small pins" ......The short answer would be "No". But if you are using a digital meter, the amswer might be "yes" but one of the pins would be 12v that only had a super low actual amount of power...would not light an old fashioned test lamp.
  18. Mobile Dan

    need owner's manual for '05 Ford Taurus

    Looking for "clutch switch, low pressure switch, cycling switch", etc, there seemed to be some jiggery-pokery about 8th month, 9th month, etc, and so variations may make positive ID difficult. What in the VIN # of your car? What is the build date? This info should be on a sticker visible if you...
  19. Mobile Dan

    need owner's manual for '05 Ford Taurus

    OK, I will make some bold assumptions and say that we have verified that the relay is able to make compressor spin, but for some reason, PCM is not switching the relay on. Also, there is plenty of refrigerant in the system because you couldn't add any, and "the garage said". Classic Ford failure...