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starman8tdc last won the day on September 13 2017

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  1. I doubt that it will help, but you could try resetting the computer - by disconnecting the negative battery cable for 30 minutes. \ I would check the various ground cables throughout the rig. When you put the fuel tank back in, did you crush and electrical wires between the tank and the vehicle?
  2. replaced throttle body, problem solved.
  3. Found a brand new throttle body on Amazon for $125.50. I emailed the seller and talked them down to $75.55, with 2 day free shipping. Installed it, and the problem went away. Woo-hoo. The repair cost less than a "one hour" diagnostic at any local repair shop.
  4. Prior to installing line lock, or smoking your rear brakes, put some blocks in front of your front tires and see if it helps you roast your tires. What I can tell you is this: You got one hell of a first world problem on your hands. First World prob·lem noun informal plural noun: First World problems a relatively trivial or minor problem or frustration (implying a contrast with serious problems such as those that may be experienced in the developing world). "it's a First World problem, but still if you're staying at a 5-star resort you expect some decent service"
  5. Oh, and try to keep your fuel tank as empty as possible. Gas is around 10 pounds per gallon, so that extra 300 LBS of fuel will increase the traction, making it hard to burn out. You can also increase your rear tire pressure up to around 45 or 50 LBS. That will also reduce traction.
  6. Try putting it reverse and flooring it. That is a basic test to insure that the rear axle will break traction and "burn out". If it will not burn out in reverse, than you have a 4x4 issue, slipping trans, etc. You can also try this on gravel. If you have a locking / posi / limited slip rear end, then its going to take some serious power to bust em free. Another option would be to install an extra washer spray bottle, and hook the spray nozzles up in the wheel wells. Add Windex or soapy water to the bottle. It will make it much easier to burn out, and it will also save your tires, trans, and everything else. Burning out regularly will result in MUCH higher vehicle maintenance.
  7. Solid codes will turn the check engine light on. Pending codes will not. Most auto parts stores will scan your computer for codes for free. https://www.amazon.com/Autel-MaxiScan-MS300-Diagnostic-Vehicles/dp/B001LHVOVK/ref=sr_1_44?s=automotive&ie=UTF8&qid=1527163005&sr=1-44&keywords=obd2+scanner
  8. Diagnostic shop. Call around and feel them out. Try to find a shop that wants to help as opposed to a money mill. Could be any number of things. Surely you are getting OBD2 codes by now? What codes are you getting?
  9. You probably have 10 ply tires, which will ride rough. Swap your tires out for some 4 play tires, and / or lower your tire pressure to 28 - 32 PSI. This will help a lot, as most of your suspension takes pace in your tires. The springs only accommodate LARGE adjustments in the suspension movement. Your tires will effect your ride comfort more than your suspension setup.
  10. Bummer, your problems sounds like may others. . From my experience, these rigs have questionable electronics. It keeps the trade-ins coming in and the new rigs going out. For your situation, you could try putting the old encoder motor back in as a test. I replaced my 4x4 switch on the dash, and surprise surprise - just like yours - the problem went away for a week, then came back. I have other issues that are similar. Thinking about replacing the throttle body and PCM. Its kinda like throwing shit at the wall just to see what sticks.
  11. As soon as your temperature gauge goes above "normal": Pull over ASAP. Shift the transmission into PARK. Turn the A/C off. Turn the heater temperature to "MAX", with the blower set to "Hi" If the temperature gauge continues to climb, shut the engine off and open the hood. (open hood vents heat from the engine faster) Wait until the temperature gauge reaches normal before driving any further. Leaving the heater on max will reduce the likelihood that it will overheat again.
  12. My first piece of advice would be to immediately stop overheating you vehicle. It can cause immediate catastrophic damage. You could blow the head gasket, crack a head, etc. Every time you go above normal operating temperature, you are in the "DANGER" zone. Have you checked your oil and water levels? If the fluids are good, you could have a bad thermostat, internally or externally plugged radiator, defective water pump, bad temperature sensor, etc.
  13. https://www.ebay.com/itm/Silverado-Sierra-NEW-1000HP-TWIN-Turbo-Kit-Turbocharger-Vortec-V8-LS/162231384138?fits=Year%3A2008|Model%3AAvalanche&hash=item25c5be784a:g:jxoAAOSwCQNWcazC

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