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  1. rob249

    Total electric power loss, intermitent

    On the way home from work yesterday, just got off the freeway, and had an instant loss of electric power, only lasted half a second, then ran normal. I turned into a parking lot and and it happend again, then back to normal. As I pulled into a parking space, it happend again, this time killing...
  2. rob249

    School me on relays

    I going to test some "helper" fans for my AC, get some more idle performance, just not sure what type of relay I need for this setup. I'd like to have the fans come on only when the AC is running and I have a dash switch activated. So I suppose I need a relay with two inputs, If thats the...
  3. rob249

    Engine replacement/rebuild recommendations

    Ive been trying to chase down the source of a misfire on my 94' Yukon for a year, and its driving me crazy. Im probably going to take the drive of shame to a shop to figure it out, but at 250,000 miles, its probably time for a new motor. Ive basically ruled out anything simple as the cause of...
  4. rob249

    TBI still missing, failed emissions, code 34...

    Still trying to get my 94' Yukon to stop missing at idle. I did a tune up before a long trip a few months ago, new plugs, wires, coil, distributor, and "rebuilt" the tbi. Truck was running great, except for the miss at idle when warm. I failed emissions, high HC, but the CO is quite low. An old...
  5. rob249

    TBI miss at idle, what am I missing?

    Truck 94' GMC Yukon, It has had a miss at idle for years, runs perfectly at any rpm above Idle. Every year or so, I attempt to fix it. I launched a "Special Vehicle Operation" against this time. Replaced every possible problem. I've cleaned and resealed the TBI, new distributor, new 8mm plug...
  6. rob249

    Wiper pulse board parking position reset

    Yet another strange thing on my 94' Yukon TBI. Replaced the pulse board for the wipers a couple years ago. When the original board went bad, the wipers would continue running after being turned off, so when I replaced the board, the wipers were mid stroke, assuming the new board would correct...
  7. rob249

    Setting TBI base idle (IAC)

    Truck is a 94' Yukon, TBI. Recently rebuilt/resealed the TBI, and put in a new distributor and set timing. At the beginning of this summer, I tried raising the idle a little bit for more AC performance, not realizing that the IAC would just bring the idle back down. Now Im trying to correctly...
  8. rob249

    Thermostat. Gasket or O-ring, or both?

    Shortly after i bought my 94' Yukon, the thermostat began sticking. When i bought the parts, they gave me a gasket and an o-ring, which what was on the truck. I replaced it, everything seemed to be fine, until I idle for more than 10 mins or so, then the temp will rise slowly, stabilizing around...
  9. rob249

    Best tool for cutting access panel

    Hello All, Im looking to cut a fuel pump/sender access panel in my 94' GMC Yukon, 2 Door. Ive looked around the forums and youtube quite a bit, just havent found any that show the 2 door yukon, but I think i have about 1.5" of space between the floor and the top of the tank. I was thinking...
  10. rob249

    Door panel fitment question

    I need some new door panels for my 94' Yukon, looking at some listed that are for the K1500, they look identical. Dont really care how they look or match the rest of the truck, my old ones are super done and in many pieces. Anyone know if door panels are the same over all models? Thanks
  11. rob249

    Strange, specific power loss

    The truck is a 1994 GMC Yukon, 4x4, 5.7. A little background info that may be relevant to this problem, my drivers door has worn hinge pins that requires me to slam the door to get it closed, been that way for a year, and I'm an idiot for not fixing it yet. That being said, here's my problem...
  12. rob249

    Oil Cooler Leak and "quick connector"

    The truck is a 1994 GMC yukon 2dr, 5.7 TBI. Noticed an oil leak a few days ago from my oil cooler lines, after doing some research about it, it turns out the aftermarket "quick connect" fittings are very prone to leakage. I have been seeing other people changing that quick connect to a hose...
  13. rob249

    Fuel pressure sensor install question/bad fuel pump?

    Truck is a 1994 GMC Yukon 4x4, picked it up about this time last year. As summer came, it started vapor-locking in traffic and to diagnose the problem, i installed a mechanical fuel pressure gauge. The gauge is screwed into a brass tee fitting with a male thread on one end going into the...

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