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.
1999 Acura Integra GS-R, 2D CoupeFACTORY OEM SERVICE PROCEDURE
Except Integra & 2.3CL
- Start engine and run at 3000 RPM, with no loads and transmission in Park or Neutral, until radiator fan comes on. Allow engine to idle. Locate 2-pin service check connector (under glove box). Install Service Check Connector Tool (07PAZ-0010100) into service check connector. See Fig 1 .
- On 3.0CL, connect inductive timing light to No. 1 spark plug wire. On 3.2TL, connect timing light to ignition coil No. 1 wire. On 3.5RL, remove strut brace and engine cover. Connect inductive timing light to No. 1 spark plug wire.
- On all models, ensure idle speed is within specification. See IDLE SPEED under IDLE SPEED & MIXTURE. Red mark on crankshaft pulley should align with pointer on front of engine. See Fig 2 . If timing is not as specified (Red mark and pointer are not aligned), replace ECM/PCM. Timing is not adjustable.
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.
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