Suspension system, special ride and handling

Years 1998–08 Models 5 Factory citations 14

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Also documented for Buick Cadillac Chevrolet GMC Oldsmobile Saturn

Documented applications

Firebird — Fourth generation (1993–2002)

1998–2002 Factory-verified

GM factory document — 1998 pontiac firebird rpo code list, p.1.
GM factory document — 2002 pontiac firebird rpo code list, p.1.

Grand Am — Fifth generation (1999–2005)

2001–2005 Factory-verified

GM factory document — 2001 pontiac grand am rpo code list, p.1.
GM factory document — 2005 pontiac grand am rpo code list, p.1.

Grand Prix — Eighth generation (2004–2008)

2005–2008 Factory-verified

Shared W-body code; Chevrolet Monte Carlo kit.

GM factory document — 2005 pontiac grand prix rpo code list, p.1.
GM factory document — 2008 pontiac grand prix rpo code list, p.1.
GM Heritage factory kit — 2006 Chevrolet Monte Carlo, p.112.

Montana — U-body second generation (1997–2005)

2001–2005 Factory-verified

GM factory document — 2001 pontiac montana ext rpo code list, p.1.
GM factory document — 2002 pontiac montana ext rpo code list, p.1.
GM factory document — 2003 pontiac montana ext rpo code list, p.1.
GM factory document — 2004 pontiac montana ext rpo code list, p.1.
GM factory document — 2005 pontiac montana 4wd rpo code list, p.1.

Montana SV6 — Second generation, U-body (2005–2006)

2005–2006 Factory-verified

GM factory document — 2005 pontiac montana sv6 rpo code list, p.1.
GM factory document — 2006 pontiac montana sv6 rpo code list, p.1.

This page aggregates every documented appearance of FE4 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.