Idle Speed & Ignition Timing

1990 Honda Accord EX, 2D Coupe, StandardSECTION Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS (1)

Application RPM
Accord
Manual Transmission 700-800
Automatic Transmission (1) 700-800
Fast Idle (2)
(1) Idle speed is set with headlights and cooling fan off and automatic transmission in Neutral.
(2) Fuel injected fast idle is controlled by ECU and EVAC.
IGNITION TIMING (Degrees BTDC @ RPM)

Application Setting
Accord
Automatic Transmission (1) 13-17 @ 700-800
Manual Transmission
California 8-12 @ 700-800
Federal 13-17 @ 700-800
(1) Automatic Transmission in Neutral or Park.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.