2002 Toyota 4Runner BaseFACTORY OEM SERVICE PROCEDURE

Firing Order & Timing Marks: Notes

FIRING ORDER

Application Firing Order
4-Cylinder (1)
Camry & Camry Solara (2)(3) 1-3-4-2
Celica, Corolla, ECHO, Highlander, MR2, Prius, RAV4 & Tacoma (2)(3) 1-3-4-2
V6 (4)
Avalon (5) 1-2-3-4-5-6
Camry (6) 1-2-3-4-5-6
Camry Solara (5) 1-2-3-4-5-6
Highlander (5) 1-2-3-4-5
Sienna (5) 1-2-3-4-5-6
Tacoma, Tundra & 4Runner (7) 1-2-3-4-5-6
V8 (8)
Land Cruiser, Sequoia & Tundra (2)Figure 1-8-4-3-6-5-7-2
(1) Cylinder No. 1 is located at timing chain end of engine. Cylinder No. 4 is located at flywheel end of engine.
(2) System uses a Distributorless Ignition System (DIS) with ignition coil on spark plug for each cylinder.
(3) See Figure.
(4) Cylinder No. 1 is front cylinder on right side of engine when viewed from flywheel end of engine. Cylinder No. 2 is front cylinder on left side of engine when viewed from flywheel end of engine. Cylinders No. 1, 3 and 5 are on right side of engine. Cylinders No. 2, 4 and 6 are on left side of engine.
(5) System uses a Distributorless Ignition System (DIS) with 3 ignition coils. Two cylinders fire simultaneously using same ignition coil. See Figure.
(6) See Figure.
(7) System uses a Distributorless Ignition System (DIS) with 3 ignition coils. Two cylinders fire simultaneously using same ignition coil. See Figure.
(8) Cylinder No. 1 is front cylinder on left side of engine when viewed from flywheel end of engine. Cylinder No. 2 is front cylinder on right side of engine when viewed from flywheel end of engine. Cylinders No. 1, 3, 5 and 7 are on left side of engine. Cylinders No. 2, 4, 6 and 8 on right side of engine.
Factory Service Tools

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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.