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GMC bitch. Engineers that designed this Yukon Denali with 6.2 never turned a wrench or know what one is.

Sometimes I feel like they are intentionally making some vehicles so complicated these days that expensive repairs hasten planned obsolescence and discourage shade tree mechanics.
Absolutely. However, for a 1000 dollar investment you can buy HP Tuners and for a little more the diagnostic suite. You can tune and diagnose any problem. With a little study you can learn to read the codes and build a page of gauges of the working systems. If the code doesn't point you to the problem right down to the part there is another way. You can build a page that uses gauges to show sensors and systems in real time. Once you have established a base line on the gauges, if one is lazy you can tell right there the sensor is either screwed up or one part that it controls is hinky.
My best friend had 99 Camaro. When he stomped the gas the car would fall on its face. He took it to I don't know how many dealers and they couldn't find the issue. Well he got sick and tired of the probem. He sold the car to my other friend for 3,600 bucks..The car was a coveted 99 SLP Camaro which were limited editions. Turned out it was the MAP sensor. He had been oiling the K&N filter too heavily and carbon built up on the MAF sensor wire. Well I fixed that and it was good. Well the boy that owned the Camaro crashed it and insurance gave him 12,500 bucks for the same car. I could see the MAF line just crash at 3000 RPM for no reason. I just replaced the MAP and that was that.
 
Oil pressure sensor unit located all the way to the rear of the engine up against the firewall behind a useless plastic shield. It sits about 6 inches down on top behind a bunch of hoses.

Cam shaft sensor is located behind the crank shaft pulley that you have to pull off to get to it.

Crank shaft sensor is located directly behind the starter that you must remove to get to the sensor.

No fuel pump relay or fuse. This truck has a Fuel System Control Module located under the back of the truck under the spare tire. You must remove the spare tire to get to it and that is where you jumper out the pump to empty your fuel tank.

No access panel located under the rear seat to make it easy to change the fuel pump. You must empty the tank and then drop the tank to change either the fuel pump or the sensor.

2007 to 2014 plastic dash all cracked. You have to replace the $1000 plastic dash with no guarantee it won't crack or place a cap over the top for about $200.

Oil filled ****ing motor mounts. WTF was wrong with solid rubber?

****ing useless EVAP system that does nothing but cause problems.

EVAP canister filled with charcoal smaller than a grain of rice. When the canister fails all the charcoal pieces are sucked up into your tank, purge solenoid and lines/hoses clogging them.

Feel free to add on!
Just leave in downtown Atlanta some spook get report stolen
 
I have a beautiful Silverado 2012. Love the way the 5.3 runs and sounds. Ride is great! This is a big car for all practical purposes. 4 wheel drive with short bed doesn't lend itself to much truck stuff but it sure is pretty. My biggest gripe when comparing it to my 2010 F150 is the interior, door handles etc.... Are all thin plastic garbage. Cracked up dash, replaced 3 of the 4 door handles and the interior arm rests collapse..... All with less than 100k miles. F150 now approaching 200k miles has none of these problems. Just normal wear items and transmission pan gasket went at 140k, breaks hold up better but wears outside edge of tires worse than the Chevy. Overall I will take the dependability and functionality of the F150 (I can load 25 -12' sheets of drywall on the 150 no problem) over the Silverado. Selling both to get a F250 it's time
 
Powere Stroke 7.9 L. LOL what are doing with it? Pulling houses of the foundation? 🤣
lol. It’s a 7.3. Old dinosaur. And it’s pulling whatever behind it. It doesn’t have near the power of today’s diesels but it doesn’t have a 1/4 of the problems. And being a 350 it rides pretty well and gets around 20mpg. So I’m riding til it dies.
 
I have a beautiful Silverado 2012. Love the way the 5.3 runs and sounds. Ride is great! This is a big car for all practical purposes. 4 wheel drive with short bed doesn't lend itself to much truck stuff but it sure is pretty. My biggest gripe when comparing it to my 2010 F150 is the interior, door handles etc.... Are all thin plastic garbage. Cracked up dash, replaced 3 of the 4 door handles and the interior arm rests collapse..... All with less than 100k miles. F150 now approaching 200k miles has none of these problems. Just normal wear items and transmission pan gasket went at 140k, breaks hold up better but wears outside edge of tires worse than the Chevy. Overall I will take the dependability and functionality of the F150 (I can load 25 -12' sheets of drywall on the 150 no problem) over the Silverado. Selling both to get a F250 it's time
I didn't know ford was still like that on the tires since they changed from the twin I beam. Just rotate tires every 5k miles. That's what I do
 
lol. It’s a 7.3. Old dinosaur. And it’s pulling whatever behind it. It doesn’t have near the power of today’s diesels but it doesn’t have a 1/4 of the problems. And being a 250 it rides pretty well and gets around 20mpg. So I’m riding til it dies.
Just take good care of it. It might outlast you
 
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