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  1. LsHart

    Suburban died and won't restart (but sometimes it does...)

    I would step out and say that if it does a first try no start just turns over, but it does start on the second try, then look at cam sensor pigtail and or sensor correlation. That's where I would start off at.
  2. LsHart

    Suburban died and won't restart (but sometimes it does...)

    Whe ur used to working on urs and a LM7 pops up.
  3. LsHart

    Suburban died and won't restart (but sometimes it does...)

    55 to 62 psi. Both ways. Damn that is crazy. For sure was thinking one was lower as usual. Compared to the 04 tahoe L59 flex.
  4. LsHart

    Suburban died and won't restart (but sometimes it does...)

    Lm7
  5. LsHart

    Suburban died and won't restart (but sometimes it does...)

    05 burb 5.3 60 is high for both.
  6. LsHart

    Suburban died and won't restart (but sometimes it does...)

    Well, if it's not acting up then that's a good thing.
  7. LsHart

    Suburban died and won't restart (but sometimes it does...)

    60 on both?
  8. LsHart

    Suburban died and won't restart (but sometimes it does...)

    Whats koeo? And after 5 minutes holding that pressure, does it drop?
  9. LsHart

    just changed my plugs....

    As I said quality does matter. If u put a copper plug in an engine that was blue printed from factory with a double platinum or just a platinum plug.iridium plug is better. Engine performance will be poor. Gas mileage, idle quality and more carbon on the cylinder. But to each is own I guess.
  10. LsHart

    Suburban died and won't restart (but sometimes it does...)

    Okay, what was the readings? I guess its fixed Fless?
  11. LsHart

    just changed my plugs....

    All these different plugs are made and classified for heat range and spark ease. So plug quality does matter. Take the E3 plug, platinum plug with 3 prongs. If the plug isn't rated for said condition, it will blow out all 3 sparks!
  12. LsHart

    What did you do to your NBS GMT800 Tahoe/Yukon Today?

    What did I miss?
  13. LsHart

    just changed my plugs....

    It's just me but I run Acdelcos iridium. No gapping needed. Plus AcDelco is factory heat range plug.
  14. LsHart

    New Cylinder Head Question

    The whole point is to have a balanced engine. Seals wear different from one side to the other and mileage also is a factor. The least amount of adjustments by the computer is what everyone wants. So unless ur trying to sell a truck, always do in pairs.
  15. LsHart

    P0300 misfire on 1 3 5 7

    What month 04? My 04 has a fuel filter.
  16. LsHart

    Suburban died and won't restart (but sometimes it does...)

    In this situation I would blame the fuel pump. The ohms are climbing and it shuts off til cool. Also, am I missing something? Don't see the "what are we working on" part.
  17. LsHart

    New Cylinder Head Question

    So u replaced just one head ? It's going to have both banks running way off from each other. Do to one bank as u do to the other.
  18. LsHart

    Engine dying while rolling

    So will it start and stay running as long as ur on the throttle? Pulley might be a different issue.
  19. LsHart

    Hi from Chicago

    North Mississippi said what up!
  20. LsHart

    What causes the lean, plus odd observation

    Correct me if I'm wrong but, the "lean" effect was for silverados?
  21. LsHart

    CAT back w/dual exhaust, moderate noise

    I'm at the crossroad with u as well. My 04 tahoe 2wd is running y pipe with the catts deleted and single out with pro street muffler. Would love duals
  22. LsHart

    Can someone help identify his grinding noise?

    Possibly torque converter to flywheel vibration??
  23. LsHart

    Can someone help identify his grinding noise?

    Almost sounds like a air pump like what was on the trailblazers. But way bad
  24. LsHart

    Can someone help identify his grinding noise?

    Did it start after the transmission?
  25. LsHart

    Can someone help identify his grinding noise?

    I just heard birds.

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