Assembly line emission test, California

Years 1998–99, 2006 Models 5 Factory citations 6

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Also described as Test, emission, California assembly line

Also documented for Chevrolet Pontiac

Documented applications

Safari — Second generation (1995–2005)

1998, 1999 Factory-verified internal

GM factory document — 1998 gmc safari 2wd rpo code list, p.1.
GM factory document — 1999 gmc safari 2wd rpo code list, p.1.

Savana — GMT610 (2003–2027)

2006 Factory-verified internal

GM factory document — 2006 gmc savana rpo code list, p.1.

Sierra — GMT400 (1988–2000)

1998 Factory-verified internal

GM factory document — 1998 gmc gmc c pickup 2wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1998 Factory-verified internal

GM factory document — 1998 gmc gmc suburban 2wd rpo code list, p.1.

Yukon — GMT400 (1992–1999)

1998 Factory-verified internal

GM factory document — 1998 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of YA7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.