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R1234yf Refrigerant Service

It is not a question of if but when you’ll have to deal with R1234yf refrigerant. Here’s what to expect.

Taking Advantage of Vital Software Tools: Special Tests

The Special Test menu has functions that can help you diagnose a problem, finish a repair, and confirm the fix. This video is sponsored by Bosch.

Solving A No-Spark Condition

Communication errors or missing data from a dead module could be the cause.

Tool Up For Belts

Here are six tools to make your next belt replacement more productive.

Reflashing Power Supplies

Trying to make do with a battery charger or jumper pack can cost you more.

Compressor Oil for R1234yf

Working on R-1234yf systems is not that different from the R-134a variety.

Diesel Air Filter Replacement

Here’s some diesel air filter replacement advice in order to keep these vehicles running as intended.

Spark Plug Fouling

Understanding why plugs get dirty.

Throttle-By-Wire Diagnostics

On older throttle cable systems, the carburetor or fuel injection system reacted to the throttle angle.

Livestream TODAY: Engine Building 102

Join Doug Kaufman and the experts at Summit Racing for a livestream on November 29 at 1PM EST.