AutoDiag

Videos & auto news

Hand-picked channels run by working mechanics and technicians. New uploads are added automatically.

Diagnostics

This Van is DANGEROUS to Drive!! ('04 Chevy Express: P0507 Idle Too HIGH)

Pine Hollow Auto Diagnostics · 17 Aug 2026

DIY repair

Variable Oil Pressure! Surprise Engine FAILURE! Chevy 4.3 AFM

Rainman Ray's Repairs · 17 Aug 2026

DIY repair

Engine OIL Catch Cans! Complete Install DONE WRONG (Sort of) Chevy LT Engine 4.3 5.3

Rainman Ray's Repairs · 17 Aug 2026

DIY repair

This is Why You Don't Trust Discount Mechanics 2013 Lincoln MKX 3.7

Rainman Ray's Repairs · 17 Aug 2026

Diagnostics

This is why Mechanics charge for Diagnostics! Car Battery Keeps Dying!

Rainman Ray's Repairs · 17 Aug 2026

DIY repair

What's Wrong With This Shaking Ecotec HHR?

Rainman Ray's Repairs · 17 Aug 2026

Diagnostics

Trans Problem…Probably | Can we diagnose it? NOPE! GMC Yukon 6.2

Rainman Ray's Repairs · 17 Aug 2026

DIY repair

Leak Down Test, Pressure Test, Chemical Test! - Bubbles In Cooling System! Buick Enclave 3.6

Rainman Ray's Repairs · 17 Aug 2026

DIY repair

UPSELL Time! Cadillac Dealer Shenanigans! 2021 Escalade 6.2

Rainman Ray's Repairs · 17 Aug 2026

Diagnostics

Frustrating Diagnosis! HUGE Repair NEEDED! 2022 Silverado/Sierra 3500 6.6 Duramax

Rainman Ray's Repairs · 17 Aug 2026

Diagnostics

What Caused This New Fuel Pump To Fail?? (Ford Ranger)

ScannerDanner · 17 Aug 2026

Diagnostics

Every Auto Technician Needs To Learn This! (BMW Misfire Diagnostics)

ScannerDanner · 17 Aug 2026

Diagnostics

This Can Be Deceiving! (Kia Optima EVAP LEAK TESTING)

ScannerDanner · 17 Aug 2026

DIY repair

How to Manually Test a Computer-Controlled EGR Valve!

ScannerDanner · 17 Aug 2026

Diagnostics

Open or Shorted Network? Maybe it's the Module??

ScannerDanner · 17 Aug 2026

DIY repair

What’s That Noise? Do I Need An Engine?

EricTheCarGuy · 17 Aug 2026

DIY repair

How To Balance Tires

EricTheCarGuy · 17 Aug 2026

Maintenance

Slippy Gets New Front Tires

EricTheCarGuy · 17 Aug 2026

DIY repair

The CR-V Gets a Total Steering Makeover

EricTheCarGuy · 17 Aug 2026

DIY repair

This Took Longer Than I Thought

EricTheCarGuy · 17 Aug 2026

DIY repair

The Secret To Perfectly Balanced Aluminum Wheels

EricTheCarGuy · 17 Aug 2026

DIY repair

Project NA Miata Soft Top Restoration Done Right (Rain Rail, Tension & No Leaks)

1A Auto · 17 Aug 2026

Buying advice

Need a Trailer to Tow with Your Car or Truck? Check These 5 Things Before You Buy to Avoid Trouble

1A Auto · 17 Aug 2026

DIY repair

We Upgraded Our Project NA Miata's Pop-Up Headlights! (And The Other Lights Too!)

1A Auto · 17 Aug 2026