In this video, Jake takes a deep dive into GM/Chevy’s 2.7L L3B engine, exploring its common problems, reliability, and the most frequent complaints from owners. Known for its innovative turbocharged design and placement in vehicles like the Chevrolet Silverado and GMC Sierra, the 2.7L L3B engine has drawn both praise and criticism since its debut. He covers some of the engine's standout features, like its lightweight design and impressive power output, as well as its common issues, such as carbon buildup on intake valves and more. Additionally, he addresses reliability concerns stemming from the engine’s relatively new introduction to the market and the challenges of long-term ownership. Whether you're considering purchasing a vehicle with this engine or already own one, we provide key insights into maintaining its performance and longevity.
If you would like to read more on the GM 2.7L L3B engine, we have an article on our website: https://chevytrucks.org/gm-l3b-engine-problems/
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00:18 – GM 2.7L L3B Engine Background & Intro
01:26 – Most Common Engine Problems for the Chevy 2.7L L3B
01:44 – GM 2.7L L3B Common Problem #1 – Active/Dynamic Fuel Management (AFM/DFM)
03:17 – Chevy 2.7L L3B Common Problem #2 – Direct Injection Issues
04:26 – GM 2.7L L3B Common Problem #3 – High-Pressure Fuel Pump (HPFP)
05:20 – Chevy 2.7L L3B Common Problem #4 – Timing Belts and Head Gaskets
05:34 – Common Complaints with GM’s 2.7L L3B Engine
05:38 – GM 2.7L L3B Common Complaint #1 – Fuel Economy
07:01 – Chevy 2.7L L3B Common Problem #4 – 8-Speed Transmission (8L90)
07:42 – The 4% Catastrophic Failure Rate: Chevy/GM’s 2.7L L3B
09:19 – Engine Problems & Reliability for the 2.7L L3B Summary