DETROIT - In the latest example of Volkswagen of America Inc.'s quality woes, the automaker is warning 426,000 VW Passat and Audi A4 owners of an engine oil sludge problem. Affected are 1.8-liter ...

Skipping even one or two oil changes can trigger a chain reaction of internal damage that builds silently over thousands of miles. Motor oil does far more than lubricate — it transfers heat, suspends ...

Toyota Motor Sales U.S.A. Inc. on Wednesday said it will cover customers' costs associated with engine sludge problems in some Toyota and Lexus vehicles - regardless of whether owners show evidence of ...

Learn how a 6.7 powerstroke delete kit with tuner and smart upgrades like a ccv delete 6.7 powerstroke can lower EGTs, prevent intake sludge, and improve diesel engine performance.