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The 4.3L V6 EcoTec3 engine may start showing the first symptoms of a carbon buildup problem around the 80,000-100,000 mile range. These symptoms include rough idling, sputtering at idle, unsteady acceleration, and decreased power. The only way to fix the issue is by walnut blasting.
11 Οκτ 2021 · Chevy 4.3 V6 Reliability and Common Problems. By Tomas Arora / March 21, 2024. Contents show. Key points to highlight: Reliability: The Chevy 4.3 V6 Vortec engine is highly regarded as one of GMs’ most reliable engines, with reports of it lasting well over 300,000 miles.
20 Απρ 2024 · The 4.3 Vortec suffers from common problems such as ICV valve and TPS sensor failure, intake manifold leaks, distributor failure, port injection leaks, engine knock, and excessive oil consumption from AFM.
28 Οκτ 2014 · The 4.3L LV3 V6 offers 285 hp and 305 lb-ft. of torque, with VVT and direct-injection. No turbo needed. Much in the same way the original 4.3L V6 was a Gen-I V8 with two cylinders lopped off, the LV3 V6 is based on the new Gen-V V8 architecture – which is the same platform as the brand new LT1/LT4 found in the C7 Corvettes, and 5.3L/6.2L ...
3 Μαΐ 2022 · How reliable is the GM & Chevy 4.3L EcoTec3 engine? Read about common problems such as AFM failure and carbon buildup.
24 Φεβ 2024 · Drivers can repair faulty spider injectors using a rebuild kit, solve the excess oil consumption problem by turning off the AFM system, and remove carbon buildup with a specialized cleaning...
14 Νοε 2021 · The GM 4.3 Ecotec3 engine or sometimes described as GM 4.3, LV3 Ecotec, is a naturally-aspirated gasoline engine debuted in the 2013 Chevrolet Silverado and GMC Sierra as their base engine option. This is the engine designed by General Motors to use in pickup trucks.
