Ensure idle speed is set to specification. See IDLE SPEED SPECIFICATIONS table. For adjustment procedures, see ON-VEHICLE ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS

Application

Base Idle RPM ⁽¹⁾

Curb Idle RPM ⁽²⁾

⁽³⁾ Load Idle RPM

Integra

430-530

700-800

⁽⁴⁾ 700-800

2.3CL

.....

650-750

⁽⁵⁾ 720-820

3.0CL

700-800

.....

⁽⁵⁾ 700-800

3.2TL

.....

630-730

⁽⁶⁾ 630-730

3.5RL

.....

600-700

⁽⁵⁾ 430-530

⁽¹⁾	With transmission in Neutral or Park, IAC valve disconnected and no accessory loads.

⁽²⁾	With transmission in Neutral or Park, IAC valve connected and no accessory loads.

⁽³⁾	With transmission in Neutral or Park, IAC valve connected and headlights on low.

⁽⁴⁾	Turn all accessories off and allow engine to idle for one minute. Place blower motor switch to HI position, and turn A/C on. Idle speed should be 700-800 RPM for B18B1 and B18C1 engines.

⁽⁵⁾	With headlights off, blower switch set to high and A/C on.

⁽⁶⁾	With headlights on high and rear defogger on.

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

Idle Speed