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  1. Burban22

    Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg

    MAF says Delphi in silver plaque on the side. Not sure if its original or has been replaced. Do I need to wait until it’s at operating temp or can I give readings during a cold start? I have cleaned it a few months ago with the special cleaner spray. It looked clean but did it anyway since I...
  2. Burban22

    Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg

    Checked fuel trims again and still removing fuel, especially at idle.
  3. Burban22

    Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg

    Everything’s connected
  4. Burban22

    Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg

    Fender and intake are not restricted. It’s a afe cold air momentum intake. Filter is clean. Should be less restriction than stock air box. Maf is clean. I just did knock sensors and intake gaskets. Never had an intake leak but rear knock sensor was full of water so it failed and started...
  5. Burban22

    LED Brake Light Bulbs Will Disable Cruise Control on GMT800

    What is the part number or link to replacement rubber washers that go in the rear turn, reverse, brake bulb sockets? My driver side taillight has all 3 but passenger side missing so the bulbs are loose in the plastic taillight housing along with dust and water able to enter.
  6. Burban22

    02 Denali 6.0 exhaust

    My 97 k1500 Silverado with 350 5.7 has shorty headers, larger head pipe and flowmaster high flow cats. True dual exhaust with large 24” body dual in / out flowmaster muffler. Don’t know part number. That truck sounds great. No drone and not obnoxious. I think the small cab of a truck helps...
  7. Burban22

    02 Denali 6.0 exhaust

    I put on the biggest magnaflow I could find in a center in dual out config. 12588 22in body 28” overall length. It was noticeably louder than the stock super quiet muffler but after a few hundred miles the magnaflow broke in and I was getting tired of the drone. I’m driving a big rectangular box...
  8. Burban22

    02 Denali 6.0 exhaust

    Cats quiet down the exhaust quite a bit. Since you no longer have them and have headers your exhaust is going to be loud with any performance muffler. I’d leave the stock muffler but if you want more sound and increased flow you could do any aftermarket muffler, Dynomax, Flowmaster, Magnaflow...
  9. Burban22

    New oem style dark red smoked tail lights

    I got tired of the oem yellow white red tail lights and switched them out with these oem style dark red / smoked taillights. Can be found on Amazon and eBay from a variety of sellers. $80 - $90 for the pair. Box arrived saying off road use only but they have DOT stamped on the lens. Now I...
  10. Burban22

    Broken fuel injector lock clip

    You are correct but I completely closed the circle. The new rubber grommets fit very tight so I doubt water can get past them. I guess my thinking was keep all water out and if any somehow makes it over the dam the rubber covers are so tight it should just evaporate. Maybe 10 years they will...
  11. Burban22

    Broken fuel injector lock clip

    Before: rear knock sensor hole was full of water. Probably from my engine degreasing when I first got it in March. Got a CEL in December. I made the damn of RTV per GM TSB so any water should not fill the knock sensor holes. Although the front was dry the rear is usually the one to get wet since...
  12. Burban22

    Broken fuel injector lock clip

    Got the broken clips replaced. Was pretty easy! Just a pick was needed to take it apart then slightly bend the wire prongs out before inserting in good connector. Will have to put on some miles for all the pcm checks to happen but I tested the new knock sensors before installing so hopefully...
  13. Burban22

    Broken fuel injector lock clip

    Flex fuel L59 much more common than non flex LM7. At least at my local junkyard. Ended up stumbling onto a discarded part of harness on the ground with 3 intact plugs lol Once the weather warms up I’ll swap over the clips and finish up the knock sensor replacement. Appreciate the excellent...
  14. Burban22

    Broken fuel injector lock clip

    I’ll focus on finding a 2000-2003 model years as I think they started flex fuel option in mid 2003. I think LM7 is vin 8th digit T so that can help.
  15. Burban22

    Broken fuel injector lock clip

    Thanks for the responses and suggestions! I may run out to the nearby junkyard and see If there are some good connectors left on any GMT 800s out there and attempt to take the connectors apart. If all else fails, I’ll zip tie it until I can properly fix it. Or then forget about it. lol
  16. Burban22

    Broken fuel injector lock clip

    I did this same job on the family’s 04 yukon and didn’t break a single clip but the plastic on my 03 burb seemed very brittle
  17. Burban22

    Broken fuel injector lock clip

    Good Broken
  18. Burban22

    Broken fuel injector lock clip

    Unfortunately broke 3 of the 8 fuel injector clips. 5 released without issues. The other 3 broke when I was releasing the injector plug. They still plug into the injector but they can now be pulled off by just tugging on the wire. Is this a big deal? Do I need to replace the entire injector...
  19. Burban22

    New engine 2023 Denali

    AFM gen 1 started in 2007 trucks and SUV. GMT900 AFM gen 2 2014 trucks and 2015 suv. K2XX DFM (can shut down all cylinders instead of just 4) started in 2019 Trucks / 2021 SUV T1xx and current generation...
  20. Burban22

    Steering Clunk!!! Not clicking or mild clunk!!!

    If noise clicking clunking changes with speed then it’s probably the cv axle. If no change with speed it’s not the cv. You could record and upload a video here or YouTube. May help us narrow it down.
  21. Burban22

    New engine 2023 Denali

    Yikes! My 2018 sierra with 6.2 has been fine but only have 24k on it. I know GM went from AFM to DFM in 2019. I thought lifter failure was the biggest problem on 5.3 and 6.2. If engine locked up must have been oil pump failure?
  22. Burban22

    Steering Clunk!!! Not clicking or mild clunk!!!

    I replaced the intermediate steering shaft and the plastic bearing at the bottom of the steering column. That took 90% of the clunk and knock noise out but I still have a light knock|thud noise. It happens when going over bumps slow or even hard braking or accelerating from a stop. I’ve narrowed...
  23. Burban22

    New Mechman 250 Alternator Question

    Good to know I have the 145a alternator. Can anyone recommend a decent amp clap meter or another way to measure what my alternator is putting out?
  24. Burban22

    New Mechman 250 Alternator Question

    I would have thought a fuse would blow instead of it not suppling enough power to the 140w inverter with a draw of 90w. I guess I could wire in another power port on the other side and tap into the heavy gauge amp power and ground wires.
  25. Burban22

    New Mechman 250 Alternator Question

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