Fuel system, bi-fuel, compressed natural gas (CNG), not E85 compatible

Years 2015–16 Models 2 Factory citations 3

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Also described as Fuel system, bi-fuel, compressed natural gas

Also documented for GMC

Documented applications

Impala — tenth generation (2014–2020)

2015–2016 Factory-verified

2FL, 3LT: S; CNG

GM factory document — 2015 chevrolet impala fleet order guide wayback, p.4.
GM factory document — 2016 chevrolet impala fleet order guide wayback, p.4.

Silverado HD — K2XX (2015–2019)

2016 Factory-verified

runs on gasoline and CNG, not E85 compatible; 24 GGE tank in the forward end of the bed; requires the gaseous 6.0L V8 (LC8)

GM factory document — 2016 chevrolet silverado 2500hd fleet order guide wayback, p.4.

This page aggregates every documented appearance of FHV in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.