2003 MODEL COVERAGE

MODEL

ENGINE

ENGINE ID ⁽¹⁾

FUEL SYSTEM ⁽²⁾

IGNITION SYSTEM

Avalon

3.0L V6 (1MZ-FE)

SFI

DIS ⁽³⁾

Camry

2.4L 4-Cyl. (2AZ-FE)

SFI

DIS ⁽³⁾

.....

3.0L V6 (1MZ-FE)

SFI

DIS ⁽³⁾

Camry Solara

2.4L 4-Cyl. (2AZ-FE)

SFI

DIS ⁽³⁾

.....

3.0L V6 (1MZ-FE)

SFI

DIS ⁽³⁾

Celica

1.8L 4-Cyl. (1ZZ-FE)

SFI

DIS ⁽³⁾

.....

1.8L 4-Cyl. (2ZZ-GE)

SFI

DIS ⁽³⁾

Corolla

1.8L 4-Cyl. (1ZZ-FE)

SFI

DIS ⁽³⁾

ECHO

1.5L 4-Cyl. (1NZ-FE)

SFI

DIS ⁽³⁾

Highlander

2.4L 4-Cyl. (2AZ-FE)

SFI

DIS ⁽³⁾

.....

3.0L V6 (1MZ-FE)

SFI

DIS ⁽³⁾

Land Cruiser

4.7L V8 (2UZ-FE)

SFI

DIS ⁽³⁾

Matrix

1.8L 4-Cyl. (1ZZ-FE)

SFI

DIS ⁽³⁾

.....

1.8L 4-Cyl. (2ZZ-GE)

SFI

DIS ⁽³⁾

MR2

1.8L 4-Cyl. (1ZZ-FE)

SFI

DIS ⁽³⁾

Prius ⁽⁴⁾

1.5L 4-Cyl. (1NZ-FXE)

SFI

DIS ⁽³⁾

RAV4

2.0L 4-Cyl. (1AZ-FE)

SFI

DIS ⁽³⁾

Sequoia

4.7L V8 (2UZ-FE)

SFI

DIS ⁽³⁾

Sienna

3.0L V6 (1MZ-FE)

SFI

DIS ⁽³⁾

Tacoma

2.4L 4-Cyl. (2RZ-FE)

SFI

DIS ⁽³⁾

.....

2.7L 4-Cyl. (3RZ-FE)

SFI

DIS ⁽³⁾

.....

3.4L V6 (5VZ-FE)

SFI

DIS ⁽³⁾

Tundra

3.4L V6 (5VZ-FE)

SFI

DIS ⁽³⁾

.....

4.7L V8 (2UZ-FE)

SFI

DIS ⁽³⁾

4Runner

4.0L V6 (1GR-FE)

SFI

DIS ⁽³⁾

.....

4.7L V8 (2UZ-FE)

SFI

DIS ⁽³⁾

⁽¹⁾	Engine may be identified by Vehicle Identification Number (VIN). VIN is located on VIN plate on driver's side of instrument panel. See Figure-Figure . Engine serial number is stamped on cylinder block. See Figure-Figure .

⁽²⁾	Fuel injection system is a Sequential Multiport Fuel Injection (SFI) system.

⁽³⁾	Application uses a Distributorless Ignition System (DIS).

⁽⁴⁾	This is the hybrid vehicle which uses a gasoline engine along with the AC electric motor for vehicle operation. Only service procedures for the gasoline engine are covered.

Fig 1: VIN Definition

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Model Coverage: Notes

Use the Manual With the Right Hardware

When to See a Mechanic

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