Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSACURA19983.5RL SPECIAL EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - BASIC TESTINGIDLE SPEED & IGNITION TIMINGIDLE SPEED

1998 Acura 3.5RL Special Edition

Idle Speed

1998 Acura 3.5RL Special EditionSECTION Idle Speed

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

IDLE SPEED SPECIFICATIONS

Application

⁽¹⁾ Base Idle RPM

⁽²⁾ Curb Idle RPM

⁽³⁾ Load Idle RPM

Integra

B18B1 & B18C1

430-530

700-800

⁽⁴⁾ 700-800

B18C5

500-600

800-900

⁽⁴⁾ 800-900

2.3CL

500-600

650-750

⁽⁵⁾ 720-820

2.5TL

500-600

650-750

⁽⁵⁾ 720-820

3.0CL

700-800

⁽⁶⁾ 700-800

3.2TL

430-530

590-690

⁽⁶⁾ 600-700

3.5RL

430-530

590-690

⁽⁶⁾ 600-700

⁽¹⁾	Transmission in Neutral or Park and IAC valve disconnected and no accessory loads.

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

⁽³⁾	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 770-870 RPM for B18B1 engines and 1000-1100 RPM for B18C5 engines

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

⁽⁶⁾	With headlights off, blower switch set to high and A/C on.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.