Ship thru, Lansing Delta Township to Canfield Equipment, Warren, Michigan, and back

Years 1999, 2019 Models 2 Factory citations 2

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Also described as Label, export diesel engine smoke standard

Also documented for GMC

Documented applications

Silverado — GMT800 (1999–2007)

1999 Factory-verified internal

GM factory document — 1999 chevrolet chevy c silverado 2wd rpo code list, p.1.

Traverse — C1XX (2018–2024)

2019 Factory-verified internal

; 2019: every trim but L: O; fleet order types only

GM factory document — 2019 chevrolet traverse order guide copy gm authority, p.94.

This page aggregates every documented appearance of VF4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.