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VIDEO: What Causes Spark Plug Deposits?

If you can’t determine if it is carbon or oil fouling, smell the plug. This video is sponsored by Autolite.

Why is Carbon An Issue Now?

In the late 2000s, the majority of vehicles made the switch to throttle-by-wire and direct fuel injection was replacing port fuel injection for both domestic and import nameplate engines.

The Carbon Deposit Conundrum

During some combustion events, a droplet of fuel or oil is transformed into a substance that can become a carbon deposit. This typically happens when there are conditions that are outside of the normal operating conditions.

Audi: Oil Consumption And Carbon Buildup

The 2.0L FSI engine was one of the first gasoline direct injection engines from Audi.

Living Under the Hood, How Bad Gas Creates More Deposits

Adapted from Larry Carleys article in: Underhood Service

Turbochargers on Minis

No matter if it is a BMW or MINI, when the engine stops turning, the oil flowing to the turbocharger stops.

New ProMAXX Diesel Fuel Injector Seal Puller/Saver ProKits

Ford Power Stroke 6.7L & GM Duramax 6.6L ProKits easily remove compression seals and shorten repair times.

Five Spark Plug Service And Replacement Tips

Most articles will tell you to use a torque wrench, but they never explain why.

Identifying Brake Issues With Brake Dust

Brake dust can indicate what could be wrong. This video is sponsored by Auto Value and Bumper to Bumper.

Spark Plug Fouling

Understanding why plugs get dirty.