NOTE: Always refer to SERVICE INFORMATION underhood label in engine compartment. If underhood label and lemon-25® specifications differ, always use underhood label specifications.

Check ignition timing with headlights, blower motor rear defogger, A/C and cooling fan off. Ensure transmission is in Park or Neutral.

IGNITION TIMING (DEGREES BTDC - RED MARK @ RPM)

Application

Man. Trans.

⁽¹⁾ Auto. Trans.

Accord

2.3L

10-14 @ (650-750)

3.0L

8-12 @ (630-730)

Civic

B16A2 Engine

⁽²⁾⁽³⁾14-18 @ 650-750

⁽²⁾⁽³⁾ 14-18 @ 650-750

Except B16A2 Engine

⁽²⁾⁽³⁾ 10-14 @ 620-720

⁽²⁾⁽³⁾ 10-14 @ 650-750

CR-V

⁽²⁾ 14-18 @ 700-800

Odyssey

8-12 @ 680-780

Prelude

⁽²⁾ 13-17 @ 650-750

S2000

3-7 @ 750-850

⁽⁴⁾

⁽¹⁾	Also includes Continually Variable Transmission.

⁽²⁾	Install Service Check Connector Tool (7PAZ-0010100) to service check connector before checking timing.

⁽³⁾	Canadian specification is 10-14 @ 700-800.

⁽⁴⁾	Information not available from manufacturer.

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

Ignition Timing

Use the Manual With the Right Hardware

When to See a Mechanic