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  1. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Not a problem.....I enjoy sharing knowledge. Keep me updated. I have a feeling your VCT solenoid will be the root cause of your problem but I cannot say for sure until we get proper lubrication. I will help guide u through the test procedure for the solenoid if the problem exists after you...
  2. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Is your engine light on? Do u have a scantool u can use? If you don't have one and the light is still on, stop by autozone or oriellys and they will check the code and clear it for free. Write down any codes that are present. If the problem still exists after you change your oil and filter and...
  3. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Is the engine light still on? Code p0022? What is your mechanical skill level? Are u capable of testing and replacing parts? These cars must have the correct weight and level of oil, it is extremely important since they use oil pressure and flow to adjust camshaft position! If your oil is low...
  4. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Yea I think I can help you out with that. If you can answer all questions I ask, I would appreciate that. It will help me to help you. That said please answer these. What is your mechanical background? Is the code p0022 still present and is this the first time for this code? When you say shudder...
  5. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Are you still having the same problem.....shuttering at low speed acceleration??? You said you had a code p0012 and a p0340, is this correct? What are your current codes? You also mention your altornator is failing, have you had it tested? What makes u think it's failing? Did you notice the...
  6. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    if you have good oil pressure and change your oil regularly and have had your altornator replaced i would make a very educated guess that the vvt solenoids are stuck or clogged with oil. make sure your tune is not preventing your solenoids from directing oil to the cam phasers. cam phasers are...
  7. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Ok.....po012 is a camshaft code. Here is the possible causes and the diagnostic procedure. From experience I'm willing to bet you have a variable valve cam phaser solenoid that is clogged or stuck closed/open! There is one per bank (in front of each valve cover.... in the valve cover itself) I...
  8. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    If you would like I can assist u with the p0430 code, I have the test procedure for that! The alternator emf issue is a common cause for this but seeing as u have replaced that I would try pinpoint testing vvt solenoids and cam phasers. As for the charge motion plates I left the housing and...
  9. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Your theory is very plausible except for a few issues.....my plates have been deleted for 7 years and never goes into limp mode. Also I believe that the cars PCM will be able to adapt to the changes in airflow at low rpm, when the valves are closed. I was under the impression that the tune...
  10. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Yes I have, if your referring to the hesitation issue I use a genisys 4.0 to record data! Imcr's open up at 2800rpm at every condition from part throttle to WOT and in any gear. If your mustang is a stock 05-07 gt it is very noticeable. Not sure about the automatics, i have a 5speed. See for...
  11. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    If you notice the hesitation at exactly the same rpm (2800rpm plus or minus 100rpm) and you own a 05-07 gt this is most likely due to your imcr (intake manifold control runners) if you notice it at any other rpm w/ ac off I would guess its probably tiny air bubbles developing around the pumps...
  12. 805mustang

    05 Mustang Gt Diagnosis Help....hard Fix!

    Why do you need a tune? If you keep the linkage hooked up the car does not know the plates were removed and will adjust fuel trim accordingly! The only reason I see you needing a tune would be if you installed delete plates which do not have any linkage to hook up, no linkage equals engine...
  13. 805mustang

    Brakes Rotor replacement question

    I can understand why volumetric efficiency over 100% is possible .....basically due to my previous statement regarding "the gulp effect" .......air being pulled into the cylinder while the piston is moving past BDC. My question is this, for all this to be true air would have to be able to...
  14. 805mustang

    Brakes Rotor replacement question

    As I have done a little research you are correct..... The article I have does not say anything about race cars, DOHC, VVT and was printed in 1986....not to say that 100% VE was not possible without forced induction, DOHC, VVT it was just very uncommon to see without those characteristics. I'm...
  15. 805mustang

    Brakes Rotor replacement question

    The difference between them and what that guy did to the vette is that aftermarket shops or companies will still factor in the durability/reliability of the motor and drivetrain while still keeping emissions acceptable.....if they didn't care about the longevity of the engine or emissions they...
  16. 805mustang

    Brakes Rotor replacement question

    I read somewhere (car and driver or motortrend in 2005) that these motors are detuned from the factory by 25%, basically saying that they can produce over 350hp with just changing a few perimeters in the VID block and without jeopardizing the the integrity of the motor. My guess ford did this to...
  17. 805mustang

    Digital Tuning 2005 Mustang Gt Idle Problem

    Did the issue start soon after you put the new air filter in or after you took the throttle body off to clean it? Or did it just start randomly and that is why you took the tb off? On my way to work I noticed when I shift I will get a slight increase in rpm, less than a 100 or close to. When I...
  18. 805mustang

    Digital Tuning 2005 Mustang Gt Idle Problem

    If you think there is a difference and something is not right then your probably correct! From what your saying everything sounds normal, I will see if my car does the same on my drive to work as I believe it does kick up during shifts......which is normal operation! If it did not your shifts...