About Pine Hollow Auto Diagnostics

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This is the official channel for Pine Hollow Auto Diagnostics, based in State College, PA.

Applying the scientific method and basic principles to automotive diagnostics and repair.

Most videos feature live troubleshooting of automotive drivability and electrical problems.

Playlists are well-organized by categories and manufacturer for easy browsing.

Thanks for watching! I hope you learn something new and please feel free to spread the knowledge and contribute in the comments!

Ivan

Junkyard Engine Lasted only 4k MILES? (2014 GMC Sierra)

The hot-rod 2014 GMC Sierra is back in the shop with MORE engine problems, only 4k miles after installing a used junkyard engine! It had a slight "tick" from the beginning, but now the tick is worse and it has a dead cylinder. You know where this is going... Let's walk through the diagnosis using…

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Mystery MISFIRE: 1995 Buick Riviera Supercharged V6!

This 1995 Buick Riviera has only 27k original miles on the odometer! The owner has been battling with a MISFIRE, and finally dropped it off at a local shop. Let's pinpoint the root cause of the misfire and make a 100% guaranteed recommendation for repair. Don't see this kind of failure every day..…

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Chevy Cruze DIESEL? Low BOOST After Engine Swap...

This oddball Chevy Cruze has a Diesel engine that doesn't run right after being replaced. One code is set: P003A "Turbo Vane Position Not Learned". Let's do some research and see why the PCM is not happy about the position of the turbo vane actuator. And then let's see if we can fix it in the par…

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