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No problem man, I am not from over there, but a large portion of my business is in the diesel performance stuff and I know that they are a reputable and competent company with a great reputation.

It is the O2 sensors OR the catalytic converter itself is clogged. If you have one available that can do so, have the catalytic converters flow tested to determine if it is the cats themselves or the sensors.

I tell you what, email Louis Henry at the email below and explain to him the trouble you are having and see if he can help. he is a GM Rep. Direct Email: [email protected]

I have to admit, threatening a lawsuit doesn't always work because it is usually extremely hard to sue a dealership or manufacturer over just about anything. I just went through that very thing going after a dealership that sold me an extended warranty contract with a term of 48 month 50K...

You will have to upgrade the wiring harness for the new bulbs. I would find one with the style of lights you are upgrading to that is a wreck vehicle in a salvage yard and obtain the harness for the lights from it. It shouldn't cost too much as it is not exactly a common part to be used and...

Welcome to the neighborhood! While I am not sure about whether you can get them for that size wheel or not, I have tested a LOT of different brand all terrain tires on my Duramax that I used for hauling Christmas trees in the past and the absolute BEST bang for the buck were Hancook Dynapro...

Welcome to the neighborhood! Sorry we missed your thread and were not able to help, but thanks for coming back and letting us know what the issue was...

Yes, it is possible that the intake manifold gasket needs replaced.

Welcome to the neighborhood! While this is a diesel shop, they are very well versed in the GM trucks diagnostics and repair and if they do not have time for it or whatever they can at least point you in the right direction to someone reputable that can. They are an extremely reputable shop...

Welcome to the neighborhood! I am not sure if you can change just the wheel or not, I believe you have to replace the light switch box assembly as a whole.

Welcome to the neighborhood! I guess the thing is PIST E...lol No but seriously, it sounds like the body control module itself could be going bad. The body control module controls a LOT of those functions and a great many of them are run through the radio.

When you straight wired the compressor you kind of forced it to come on, if the freon and pressure inside the system isn't right or if it lacks lubrication just enough, this can keep the compressor from kicking on and doing it's job. I am not exactly sure about the light on the button, but it...

To the original poster, with a P0300, I would also check the wiring leading to the O2 sensor at the rear of the catalytic converter on the passenger side, that code is most commonly associated with that O2 sensor and can cause the same symptoms you are reporting. If the wiring is good, then...

Welcome to the neighborhood! If the system is working and just blowing hot air you probably have a bad mode actuator in the heating/cooling under the dash. If it is blowing hot on the driver side then it would be the mode actuator on the side of the heater "box" under the dash. check the...

Welcome to the neighborhood! I can't find an actual schematic, but the video below should help you out with your issue. http://youtu.be/Ow0OOfIFtlU

Welcome to the neighborhood! We need a little more information about the vehicle. Year, engine size, etc. Aftermarket upgrades of any kind, and if you know, maintenance history. It could be that the truck just needs a proper servicing with new plugs, wires, distributor cap, etc. Be sure...

Welcome to the neighborhood! I would first check the wiring leading to the O2 sensors on the passenger side of the exhaust as this code is for a catalyst issue on bank two. That being said, if the wiring is good, I would then consider replacing the O2 sensor behind the catalytic converter or...

It actually sounds like the previous owner, while the owner may have been a little hard on it, at least made an effort to keep things maintained properly. I would double check the condition of all the fluids, the steering linkages and suspension overall. While also going ahead, if you like the...

Yes sir, it is normal. Different models and trim packages often have different spring set ups. For example, a Denali with autoleveling suspension sits a little low when not running but levels out once running but nothing like a Z71 off road package vehicle. The Z71 package or a truck with the...

Welcome to the neighborhood! Make sure to check all the fluids, fluid condition, up to and including power steering and brake fluid can tell you a LOT about how the truck has been maintained and a poorly maintained truck is likely to have problems. Also check the steering linkages, ie: idler...