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  1. Jinx

    2003 Gt Engine Failure

    It has a custom diablo tune on it, and has for the past 9 years with no issue. Unfortunately with the weather today, I probably won't get the chance to do anything since I don't have a garage or a carport.
  2. Jinx

    2003 Gt Engine Failure

    ^^^ on this advice, I will try to reset again tomorrow. What else have I got to lose. 450 to 500 should be about close to the cut out zone.
  3. Jinx

    2003 Gt Engine Failure

    Back from driving after a reset. After driving for a bit, every stop I came to, I would push the clutch in and the RPMs would climb to 2500 and hold until the vehicle came to a complete stop for 3 seconds, then they would sit at 750 perfectly fine.
  4. Jinx

    2003 Gt Engine Failure

    So tired of this. put new TPS on and no change. In the process now of resetting the computer and going to try again in 30 minutes. At this point it ends up looking like I will have no choice but to take it to the dealer at some point, but not the local one. I will take the time and go the extra...
  5. Jinx

    2003 Gt Engine Failure

    :nice:
  6. Jinx

    2003 Gt Engine Failure

    I got to thinking... The mechanic said that they could not get the lower end of the TPS sensor within factory spec. So if the car is trying to rev down, but can't, do you think it could be because of the TPS sensor can't get the throttle plate to close all the way? So I thought, $70 for...
  7. Jinx

    2003 Gt Engine Failure

    can a Diablo Predator tuner pull the TID's??
  8. Jinx

    2003 Gt Engine Failure

    PLEASE!! Not sure WTF is going on now. New IAC valve and gasket. Reset Throttle scew per instructions posted here. (shown below) I put the parking break on. I push the clutch in. I start the car in neutral, and then release clutch. Sitting parked the idle pops to 1500, hangs and then drops...
  9. Jinx

    2003 Gt Engine Failure

    Results are in: 1.) collapsing tubing assembly between PCV and TB. Replaced 2.) IAC partially stuck open/closed due to carbon buildup. Option to clean or replace. Replaced 3.) TB stop screw reset/recalibrated (per manufactures instructions) - no charge Thanks for everyone's input. It...
  10. Jinx

    2003 Gt Engine Failure

    yeah, not sure why they have to heat the PCV valve, but it does cost about 10x's as much as a "normal" valve. :notnice: and it's probably tied into the ECM somehow so you can't just unplug it and use a normal valve.
  11. Jinx

    2003 Gt Engine Failure

    The scanner only reads the ODBII codes. It is an older Diablo handheld tuner that I bought shortly after buying the car. I will look into that web site and see what they have to offer. Was that price you gave for the hose, boot and valve the one for the standard valve or the heated valve? My...
  12. Jinx

    2003 Gt Engine Failure

    Car is at the shop. I will let you all know what they find. On another note... I need instruction on resetting the throttle stop screw for when I get the car back. I recall seeing mention of backing it all the way off, then using a feeler gauge (between the screw and the throttle arm)...
  13. Jinx

    2003 Gt Engine Failure

    Yeah, I did not want to mess with the stop screw, but it was the only way to keep the car at idle, until I can get the issue resolved. I'm going to carry the hex key in the console to make adjustments daily, per weather temperature for now. The IAC valve is factory with about 100k on the clock...
  14. Jinx

    2003 Gt Engine Failure

    accidentally replied instead of editing.
  15. Jinx

    2003 Gt Engine Failure

    PVC is in good shape, vacuum lines appear to be good from visual inspection. I don't hear any major hissing noises, but there still may be a leak (kind of hard to hear with the engine and fan running). Is my IAC the cleanable type? (this picture is not current, but it shows a better view...
  16. Jinx

    2003 Gt Engine Failure

    Got back from the store, battery and alternator tested "good" Battery: 12.78v / 598 cca (rated 610) Charging system: no load = 13.89v / Loaded = 13.81v Things that influence running condition at full stop and idle: Depressing the brake pedal turning on the airconditioner increasing the RPMs...
  17. Jinx

    2003 Gt Engine Failure

    OK back from the store. Replacement tube did not solve the issue. However with it installed, I can now keep the engine running by turning in the throttle position screw so that it idles at about 750. However, the engine is still having trouble. After holding the RPMs at any higher level and then...
  18. Jinx

    2003 Gt Engine Failure

    Headed back into town to get a new elbow. I will get 2 and put one in the trunk. probably gonna take an hour or so.
  19. Jinx

    2003 Gt Engine Failure

    This is a link to the other thread that I think I am having the same issue again. http://www.stangnet.com/mustang-forums/threads/minor-hanging-rpms.855602/ This is the first part that was replaced
  20. Jinx

    2003 Gt Engine Failure

    The car is a manual transmission, and I was moving at 55 mph when it died. All the electrical components continued to work after the engine stopped. I just put the code reader on it and no codes were available. So on a hunch, I looked at the rubber tubing at the IAC valve and sure enough I saw...
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