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Scott Mclay

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Everything posted by Scott Mclay

  1. Scott Mclay
    Jasta update you guys that helps me out it was the number 7 injector and the evap purge line was broken where it goes back behind the engine so truck runs very well thank all of you for your help
  2. Scott Mclay
    Talk to mechanic yesterday he said bad #7 injector he was waiting for injector last nite around five , will keep everyone informed because it stumped me
  3. Scott Mclay
    I talked to him today and he said bad injector so we will see
  4. Scott Mclay
    Thanks ,mine is in the shop today and we will see what they come up with thanks again
  5. Scott Mclay
    I have new fuel pump, new plugs, new intake gaskets and a new map sensor.the guy i got it from said he put a new fuel pump in but what kind i dont know. With my last work truck it was an 09 i was told only use delphi pump
  6. Scott Mclay
    Davester, how was your truck when you got it and what year mine is o4 with 185000 miles, just for a work truck but when im on the highway in 4 th with the converter lock under a load it craps out unless i kick down to 3rd its the shaking thats really bothering me plus the idle seems low and rough, thanks you guys
  7. Scott Mclay
    Thanks . I appreciate it ,truck going in to be diagnosed on Thursday it has no vacuum leaks and sensor 1 bank 1 lean ltft is maxed at 25% and does not move
  8. Scott Mclay
    I am going to have it diagnosed during the week it runs a little better but it still has a hesitation off subject I have a manual 2-speed transfer case 4hi 4lo what kind of fluid does that take I don't think it's Auto Trak I think it's Dex 3
  9. Scott Mclay
    This is just a work truck but at hiway speeds it stumbles and vibrates bad at o to 1/4 throttle in od with converter locked up
  10. Scott Mclay
    Thanks . Does the heated o2 have to do with why it runs good when cold
  11. Scott Mclay
    I had a stft at 25% dont remember which bank still has the 171 code
  12. Scott Mclay
    Well i went and did the gaskets and put it all back together and all was good in open loop operation, when in closed loop back to same thing,but when i first started it, it was smooth and good . I gove ,02 sensor live data shows it going up and down to extreme very rapidly, please help
  13. Scott Mclay
    As far as I can tell these gaskets have never been changed nor has the intake ever been pulled off
  14. Scott Mclay
    Got home from work today and took the intake off I don't know what I'm looking for there was a lot of oil inside of the gasket in the intake where it shouldn't be and they were a green color would that be Factory most aftermarket ones I've seen are blue like the Fel Pros I have any other information would be helpful thank you
  15. Scott Mclay
    You are right with that also explain a stumble at 65 or 70 giving it very very light throttle it shakes a lot
  16. Scott Mclay
    Besides the p171 the gas mileage is absolutely horrible
  17. Scott Mclay
    I hate to say it but I hope that it is these intake gaskets if not I'm just going to take out the parts Cannon and do is the map sensor and the mass air flow and that only leaves me with an O2 sensor
  18. Scott Mclay
    So I'm going to be doing the intake gaskets this weekend but I've been thinking about this all week I just unplug my mass airflow sensor with the truck running in the idle hardly even changed is that normal or could that be a problem with the maf and the air intake temperature
  19. Scott Mclay
    Thanks man I appreciate it it's just a work truck but I want to try to keep it running as best I can so I don't put miles on my 17 I really appreciate it
  20. Scott Mclay
    Is that driver or pass side if your outside the car is bank 1 on the right looking at the engine from the front
  21. Scott Mclay
    And there isn't one going to the exhaust on either manifold
  22. Scott Mclay
    I don't think I have one
  23. Scott Mclay
    Is the 2004 4.8 L intake manifold gasket leak a very very common issue with these trucks and if so why
  24. Scott Mclay
    Just wanted to say thank you to all of you on here at the time I have not replaced my gaskets yet but if I'm on the highway going 65 in overdrive and a very slight pressure on the gas pedal the truck will shape does that seem like the vacuum leak what caused that just on throttle tip-in
  25. Scott Mclay
    Thank you

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