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Carbon Deposit Q&A

Follow along to learn more about carbon deposits.

Carbon Deposits and Direct Injection Engines

The primary cause of these problems is that fuel and added detergents are not hitting the back of the intake valves.

Hunter Engineering Releases Video on Servicing Carbon-Fiber Wheels

Video stresses need for patience and care with expensive wheels.

Oil and Carbon Deposits

Here’s how oil can influence carbon deposits.

DTC P0171 And The Connection to Carbon Deposits (VIDEO)

Carbon deposits could be causing code P0171. This video is sponsored by Rislone.

VIDEO: Solving The Carbon Deposit Conundrum

Carbon deposits can be formed by varying cylinder temperatures. This video is sponsored by Rislone.

Castrol To Power First Carbon Neutral NASCAR Race Team

Roush Fenway has achieved carbon neutrality for the entire organization.

Oil And Carbon Deposits

Gains in power and fuel economy have been realized with direct injection and turbocharging.

Why Is Carbon An Issue Now?

The early 2000s was the golden age of port fuel injection. Carbon deposit problems had gone the way of worn ignition points and V-belts.

The Carbon Deposit Conundrum

Engine carbon deposits have been around for more than 100 years. They start out as fresh oil and gasoline. The engine uses heat, compression and combustion to turn most of the fuel into power. But, 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.