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  1. Scottydoggs

    How to Reset Transmission Control Module?

    unhook the battery for 30 minutes. your tcm is not stand alone module. its in the pcm, so taking power from it resets everything and it all relearns.
  2. Scottydoggs

    Heater issue with my 03 Yukon XL

    sounds like a bad blend door actuator to me. ever hear a clicking sound from the dash? they glitch out when they go bad, or the gears strip out some times.
  3. Scottydoggs

    '04 Tahoe LT

    Fuel Rails are a life time part really. they do have o rings that could fail. but thats rare. if you take the injectors out of them you should install new o rings as a normal part of the job.
  4. Scottydoggs

    2001 tahoe still wont start

    check for pressure at the fuel rail.
  5. Scottydoggs

    2001 Chery Tahoe Brakes problem??

    the master went dry when the line was busted, you likely have air trapped in the master. bleed the master by pumping the pedal and cracking the line nuts like they were a bleeder valve on a caliper. then do the rest of the bleeding as you have been. make sure the master does not go dry while...
  6. Scottydoggs

    Instrument cluster

    my speedo quits working some times. a rap on the dash brings it back to life, so im likely gonna send it out to this ebay listing over winter when im off work. if your up to it, you can change the stepper motors. they are sold on ebay as well...
  7. Scottydoggs

    P0442...Already tried the obvious..

    evap leaks can be a real pita. best bet is to smoke test it and look for the leak. and having a tech 2 or other scanner that can control solenoids, they can be commanded open and closed the smoke will come through the solenoid when open, and not when closed if working. or if you got a tuner...
  8. Scottydoggs

    Tonyrodz's Tahoe Build Thread

    i think the tensioner is the root of your belt tossing.
  9. Scottydoggs

    Dummy O2 Sensor

    you have 4 o2's. the pre cats, aka up stream. you need them. if you need them harnesses find em and use them. o2's help control your fueling. the down stream o2's can be tuned out with a tuner, or you can try faking out the system by putting them in spark plug anti foulers, you need two per o2...
  10. Scottydoggs

    Another coolant leak thread

    you can pressure test the cooling system. parts store should have it for the free rental deal.
  11. Scottydoggs

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

    i only did the extra battery cause id seen other plow trucks set up like that. and their plows all moved faster. one battery when when moving the plow the volt gauge would just drop to almost nothing, every light would dim too. you'd hear the plow motor get slower. (most are really just a...
  12. Scottydoggs

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

    when i did this years and years ago (ive lost all them pics in a pc crash) you buy a battery tray that fits up in the pass side at the fire wall, ( you need to remove the brace in that corner too. it never goes back on) get one longer battery stud for the original battery for the pos post, run...
  13. Scottydoggs

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

    that brings me back to the days. i had a fisher, so a western joy stick. i bent the bracket off it round and bolted it to the lower dash trim on the left side by the door. this way i could raise the plow and be backing up at the same time. i had dual 1000 cca batterys, the volts hardly dropped...
  14. Scottydoggs

    2003 tahoe no crank no start

    the code reader saying error seems like the pcm might have taken a dump, or something ate some wires last night.
  15. Scottydoggs

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

    i got the PRECISION WFP111099 (Kit) came with both front seals. solid parts for sure.
  16. Scottydoggs

    Engine runs cold

    unplug the coolant temp sensor, both fans should default to on at full speed all the time when the key is to run. if they do come on, all your relays and harness are working fine. replace the temp sensor.
  17. Scottydoggs

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

    new window seals and new used heated seat ect ect module all worked perfectly as it rained all day Saturday and when i took it out this morning the heated seats stayed off, normally after a good rain the heated seat would just come on full blast and not turn off.
  18. Scottydoggs

    Tonyrodz's Tahoe Build Thread

    thats a common issue with aftermarket HU and flashing a tune, they create interference with in the system. even the factory radio can cause it to happen with this gen gm truck. like mine, i cant flash a tune on hi speed, have to use low speed. but your deal was different as it would work then...
  19. Scottydoggs

    p0128 Engine temp below thermostat temperature/ strange O2 sensor values

    see if you got other o2 items to scan. ho2 iirc is the heater inside the o2. it warms up the o2 sensor when cold to speed things along. even if it was to set a code for the heater being bad, just that wont affect how it runs. once you got the right o2 pid's to scan, take it for a ride go wot...
  20. Scottydoggs

    Tonyrodz's Tahoe Build Thread

    why in the world would anyone run a SD tune on a NA set up. thats ohhh so much more work and sooo much harder to make right. SD/VE tuning is really for boosted set ups that will out flow the maf's capability's. really seems like the first tuner found a tune and slapped it in there and didnt...
  21. Scottydoggs

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

    the heart breaker strikes again lol its likely more whp then that. good to hear shes runs like a different truck.
  22. Scottydoggs

    04 Yukon interior temp control.

    actuators take a dump. mine are doing pretty much the same thing. thats another task i need to get on. looks like the driver side one is in front of the console, so the seats might need to come out. but thats a good time to do some easy carpet cleaning. :) pass side is inside the dash, your...
  23. Scottydoggs

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

    finally installed my window wiper seals on the front doors. ( they are cheap too from RA at least) replaced the driver side reg and motor. and replaced the heated seat, memory for the seats and the brake and gas pedals adjustments module. looks like rain this weekend again. lets hope the heaters...
  24. Scottydoggs

    Tonyrodz's Tahoe Build Thread

    where did you go? tune time was it? and what they charge for the tune part only?
  25. Scottydoggs

    Tonyrodz's Tahoe Build Thread

    stock is on the small side, 28 lb iirc. i know guys used to use the injectors from the 3800 blown v6's in v8's due them being 36 lb iirc. from the tuners point of view. engines need what they need. so if fp stayed up to par and she ran lean wot, injectors need to be larger.

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