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  1. INW-Iron-Steel

    Ash tray doesn't stay

    I've used the heavy duty Velcro in similar situations also
  2. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    Not a bad idea, but I'd have no use for them. I wouldn't risk having the same issue again. If I need downstreams I'd get Bosch or Delphi from Amazon, they're cheaper anyway. I haven't had good luck getting parts warrantied at local chains. I don't buy much local for many reasons including that...
  3. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    Haha! No, they were new. After I installed and ran them for about 5 days I took them back and told them they didn't work. I tried to explain the heater circuit issue but the manager was just looking at me with a confused blank stare. All he seemed to be able to say is I couldn't return them...
  4. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    Delphi ES20094 installed as upstream sensors on the 04 this afternoon. No pending codes after initial cold startup, I guess we'll see if that lasts. Live data on the scanner looked good also. Not sure if this is related, but the resistance on the heater circuit between all of the brands was...
  5. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    Just curious, what tool would that be? That is an even better idea, thank you!
  6. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    O2-A and O2-B 15amp fuses are good. Now, I cleared the codes last night when I got home. After checking the fuses I plugged the scanner back in and fired it up. The heater codes are back pending after the first cold startup. I cleared them again, shut the truck off and then started it back up...
  7. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    I attribute the "bang" she heard to an exhaust pipe smacking the frame as the engine was trying to idle at like 200-300RPM while misfiring like crazy. I also think the low RPM was causing the not moving forward issue from probable low line pressure in the transmission. Either way, transmission...
  8. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    Thanks for the advise. I am going to check fuses first and then I will check for continuity on the sensors themselves. What I am slightly confused about is bank 1. I wasn't having any issues with bank 1 before. Fuel trims and voltage (on the scanner) looked good on bank 1. And no codes. I only...
  9. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    A little bit more backstory for context. I have been chasing some issues for about a month or so on the 04. My wife was driving it and told me it was slipping and not shifting well at slow speeds. It would not do it for me, but one day it was so bad she couldn't even get the truck to move and...
  10. INW-Iron-Steel

    Oxygen Sensor Heater Codes

    I changed the upstream O2 sensors on my 04 Sierra this last week and now I am getting P0135 and P0155 heater performance codes for the corresponding sensors. Two things I think are strange. 1- I didn't have either of these codes before starting. 2- It can take multiple days and many trips for...
  11. INW-Iron-Steel

    Misfire mystery

    Sounds like you may have found your issue. Adding to this in case someone else is hunting a "mystery misfire". More specifically P0300 (random misfire) but it is general advice. Check the grounds. GMT800s are plagued with ground issues causing all sorts of electrical issues. Check the main fuel...
  12. INW-Iron-Steel

    HVAC Controls

    For what it's worth, I find it helpful to troubleshoot at the relay in the fuse box under the hood. Locate the AC compressor clutch relay and remove it. It should be a 4 pin relay. I can't recall if the 2000 is the same as the later trucks, so I would verify the wiring. But on my 04 they are...
  13. INW-Iron-Steel

    Favorite GMT800 Models-Post 'em Up Here

    I was looking on Marketplace and happened to click on my saved tab to see what was still available. I was reminded of this exact truck that I missed out on about a year ago. It was listed for under 5K with a bad engine. I didn't have the space to store it at the time, otherwise I would have...
  14. INW-Iron-Steel

    Favorite GMT800 Models-Post 'em Up Here

    I have no preference one way or the other, the rest of the truck being "right" would be more important to me. Non-diesel is the only stipulation, I'm just not a diesel guy. I am a big fan of the 6.0. Never owned an 8.1 but I have a friend who is turning me into more of a big-block guy each day...
  15. INW-Iron-Steel

    Favorite GMT800 Models-Post 'em Up Here

    My wife wants a truck just like that, but ideally a crew cab. Her dad had one growing up that she drove and loved! His is a extended cab long bed with just a bit too much rust for me to put the effort in to revive (AK plow truck). But, we are keeping our eyes out for a pre-cateye crew cab short...
  16. INW-Iron-Steel

    HVAC Controls

    Here's a photo of the ground on the frame just behind the sway bar Not the same vehicle, but same ground mod on another GMT800 a few years back. Including my 04, this is now the 4th GMT800 I have done this on. The ground in the harness often loses continuity over the years. I did it to mine...
  17. INW-Iron-Steel

    HVAC Controls

    I am the same, any time I open a system it gets an orifice and an accumulator. I blew everything around the condenser and radiator clear with air also. I am leaning heavy duty clutch because my AC temps are warming up at idle. As soon as I start moving, even just barely moving, vent temp cools...
  18. INW-Iron-Steel

    HVAC Controls

    Update on the revamp. My AC would work for a while, and then randomly it wouldn't. Watching my pressure climb until the high switch kicked the clutch off proved I had an obstruction. I ended up recovering the system, and flushing the condenser and evaporator. The condenser was clear, but I blew...
  19. INW-Iron-Steel

    HVAC Controls

    So, I ordered two mode actuators for comparison. With the one needing replacement being extremely easy to remove, I figured I would give the $15 SKP a shot. The two parts showed up in the exact same box and looked exactly the same physically, except for the printed on part number. The...
  20. INW-Iron-Steel

    Pitman Arm - Does this look right?

    Some images from Google to help visualize what you are talking about. For OP, you can count the splines with the pitman arm still on the truck. Using a sharpie makes it really easy. Good luck!

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