L43 ✓ Factory-verified

GMC · Regular Production Option

Engine, flexible fuel, 4 cylinder, 2.2 L, multiport fuel injection

Years 2001–02 Models 1 Factory citations 2

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Also documented for Chevrolet

Documented applications

Sonoma — second generation (1994–2004) →

• 2001–2002 ✓ Factory-verified

  Wikipedia names a 2.2 L four-cylinder for the Sonoma but does not mention a flexible fuel version

  ⛭ GM factory document — 2001 gmc sonoma pickup 4wd rpo code list, p.1.

  ⛭ GM factory document — 2002 gmc sonoma pickup 4wd rpo code list, p.1.

This page aggregates every documented appearance of L43 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.