Air Filter

Today's Diesel Engines

While today's diesel engines are as durable as ever, changes in exhaust emissions technology make it especially important to observe air-filter replacement recommendations. In particular, turbo-charged diesel engines use high volumes of air to provide added power and help with emissions control.

With this in mind, replacing and servicing the air filter on diesel engines requires a great deal of care, without which air will likely be introduced into the intake during the change process. This is especially important with regard to diesel engines in vehicles involved in construction, farm, and other dusty environments.

While city cars with diesel engines have air-filter replacement intervals similar to those of gas-driven engines, diesels driven on dirt roads require more frequent servicing.

TIP: Soot from congested city traffic may shorten the air filter life of diesel engines.

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