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Although it seems very simple, it is something that is frequently overlooked. Check your air filter. If your filter is junked up, it will not give proper signal to the MAF (Mass Air Flow Sensor) and the engine can run improperly. Also check the MAF at the same time to make sure that it...

The Clunk I have a 98 GMC that I had the same clunk in a while back, until I figured out the problem. After wrenching around for a while, I finally got it. The problem was the U-Joints on the rear drive shaft. What happens is when sitting still, there is no pressure on the u joint because...

So I figured out my problem... I pulled the Air filter and it was caked with crap. I had tried about everything possible and then just checked it as a last resort. Needless to say, that was the problem. I have a sealed Volant Cold air Intake Kit and the filter was covered in dirt and debris...

No not yet, I was thinking of checking that and the MAF sensor to see if they were both functional. Any other ideas?

Ok, So I have a 98 yukon with an 8 inch lift, 37 inch tires, and 4.88 gears. A good while back, I had an issue where the truck would be running fine, and all of the sudden it would cut off then back on. It seemed as if someone had a switch that they were turning the motor off then on again a...

ok thanks for your help. I will try that.

I have a 98 Yukon and the transfer case is starting to leak a little bit. There are 97,000 miles on it and it still runs pretty strong. Anybody have thoughts on trying the transmission/transfer case STOP-LEAK stuff?? I have heard mixed feelings in it and want to know more about it. Any input...