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  1. J

    Who stoll my O2 sensor ?

    The sensors can be going bad and still not throw codes. If you have a code scanned you can watch the voltage from the sensors. If they are good both banks will fluctuate fairly close with each other in a rhythm. If they are bad they will bounce in different directions and do odd things.
  2. J

    No heat at slow speeds

    Your coolant level is low. The reservoir is full of junk making you low coolant indicator not work. You probably have a intake gasket or a head gasket leaking that is causing all of this. Typical problems. Easily fixed. I dumped my hoe. It was doing the same thing and the wife didn't...
  3. J

    Running Tire Chains on a Denali?

    All or none on these awd drive vehicles. Chaining one end will freak the traction control out. Chains on both will probably freak it out anyways. It would be fine if you had a 2 speed awd tcase and ran it in low.
  4. J

    Cruise control stopped working

    nevermind
  5. J

    Traction Control

    Just a follow up on this if anyone is interested. I found the problem. It was a weak signal from the front passenger wheel speed sensor. Normaly when you spin the wheel by hand you should get 100mV ac without much effort. On this hub I was barley getting 100mV when I spun it as hard...
  6. J

    Check engine light on/off-on/off

    I get a code for the right and left bank running lean every once in a while. It did it quite a bit before I changed the o2 sensors. Sea foaming it probably fouled the sensors. I wouldn't run sea foam with e85. I had more problems with it when I did.
  7. J

    Have a question....

    I guess I never even answered the original question. I think dinalis had awd. Possible single range. Awd bites in anything other that mild snow and mud. Traction control and stability works great on the gravel roads.
  8. J

    Have a question....

    There are 2 types of awd transfercases and 1 type of 4x4 in these years mostly. The bw 4481 is a awd single range case. The power is split through a differential with a 40/60 split in power. The traction control is controlled through the brake system as is the stability system. The...
  9. J

    help... heavy rattle

    I had that problem not to long ago. I thought it was coming from the front end but it wound up being from the rear. Turns out it most have been something in the parking break drums. I used the break a couple of times and it hasn't done it since. Probably not your problem but it might be...
  10. J

    Traction Control

    Got an abs code for a rear wheel sensor. I assume that is causing it. Is there just one or two sensors? I Don't remember seeing any at eh rear wheels. Would it be the one on the output of the transfer case?
  11. J

    Traction Control

    Traction Control issues The past couple of days my traction control has been randomly coming on when I leave from a stop. It has always been on dry pavement and never on any hard acceleration. I am assuming that a speed sensor is messed up in one of the wheels. Anyone else seen this problem...
  12. J

    2004 Tahoe Lt autoride, with stabilitrack ,AWD with 4lo button

    In sand though if you spin you sink.
  13. J

    Fuel Economy....

    1.80 a gallon for e85(maybe lower I can't remeber) Premium was 2.89 e10 2.59 and 87 octane is 2.69. I would still use it if it cost the same as regular because I like to farm and I work at an ethanol plant.
  14. J

    Fuel Economy....

    Yes but that means I only use 80.5% less gasoline. MMMM corn.
  15. J

    No fan speeds

    Replace the plug if it was like that. The parts guy told me that normaly when the resistor goes out it is caused by the blower motor. I have been fighting mine for 6 months I am on the 3rd motor and 6th resistor pack. With the blower I have now the bearings almost instantly got tight...
  16. J

    2004 Tahoe Lt autoride, with stabilitrack ,AWD with 4lo button

    You don't want to spin in sand unless you are moving very fast. I would think that the awd would do well from a stop in sand. It does good in snow unless you need to get momentum. You relay have to be moving and hammering on it to get the stability system to kick in on gravel.
  17. J

    Fuel Economy....

    I get 11mpg just driving to and from work and that is only 15 miles of 4 lane and 10 miles for highway and 2 of gravel. I got a stock 04 hoe AWD. E85 is the 11 premium only gets me 14mpg.
  18. J

    Stabilitrac System

    Mine has the stabilitrac active message come one sometimes in corners. Usually when there is gravel or sand on the corner.
  19. J

    Recognize this leak?

    On my 03 silverado there was a plug in the front driver side corner of the block slightly higher than the crank that had a gasket that seeped a noticeable amount of coolant. That might be something to look at. You could see the plug from the underside. Should be behind the power steering...
  20. J

    oxygen sensor question

    Could be a heat shield rattling.
  21. J

    Brakes not wearing down

    If I remember from my 03 silverado the rear pads are thinner than the fronts. That truck also didn't put enough to the rear so the rear brakes glazed up and got bad quickly. I assume that the suv's would be the same.
  22. J

    Low Coolant message

    Mine doesn't work. My 2003 silverado worked some times, usually when it was a gallon or so low. I wounder if these don't get gunked up.
  23. J

    rear defrost tips

    Super glue aint gonna conduct anything. Now that you tried it you are pretty much sol. I duno if there is a way to fix it anyway.
  24. J

    motor stumbles in morning

    Have you done plugs and wires as something simple? Mine ran rough for a little bit on start up till I replaced the factory plugs with 83k on them. Might be worth a try.
  25. J

    Best spark plugs?

    I put e3's in mine. When I put them in the seamed very good but my old ones were very worn out so not much comparison. 3 weeks ago when we had some -20 temps I had a real bad issue. I had e85 in it not knowing it was going to snap that low. It started in the morning at -18 and ran rough for...

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