GM 6.2L EcoTec3 L86/L87 Engine: Specs, Problems, Reliability

GM 6.2L EcoTec3 L86/L87 Engine: Specs, Problems, Reliability

GM 6.2L EcoTec3 L86/L87 Engine: Specs, Problems, Reliability

GM 6.2L EcoTec3 L86/L87 Engine: Specs, Problems, Reliability : GM 6.2L EcoTec3 L86/L87 Engine: Specs, Problems, Reliability

GM 6.2L EcoTec3 L86/L87 Engine: Specs, Problems, Reliability. The L86/L87 is an all-aluminum 6.2-liter naturally-aspirated and direct-injected gasoline V8 engine developed by GM for use in pickup trucks and SUVs (Chevrolet Silverado, GMC Sierra, Cadillac Escalade, GMC Yukon Denali, and more). This 6.2 L V8 engine is a part of the Gen5 small bock engine family also known as EcoTec3. The L86 version come out in 2014 and replaced its predecessor out of Vortec truck engines - the L92 6.2-liter motor. The successor to the L86, the L87 version came out in 2025. Both engines are basically identical, but the newest L87 variant uses Dynamic Fuel Management instead of the L86's Active Fuel Management.

The 6.2 L EcoTec3 was also available in Chevy sports cars and higher performance Cadillac models - LT1, LT2, and supercharged LT4 and LT5 versions. In this article, let's take an in-depth look at the design of L86/L87 truck engines, their common problems, and reliability.

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TitleGM 6.2L EcoTec3 L86/L87 Engine: Specs, Problems, Reliability
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Published DateSeptember 29, 2025
Latest Updated DateSeptember 29, 2025
Uploaded ByKaren R. Russell

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GM 6.2L EcoTec3 L86/L87 Engine: Specs, Problems, Reliability

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