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.
2003 Acura 3.2CL BaseFACTORY OEM SERVICE PROCEDURE
Ignition Timing: 3.5RL
- 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 .
- Ensure idle speed is within specification. See IDLE SPEED under IDLE SPEED & MIXTURE. Remove engine cover and connect inductive timing light to test loop, located at No. 1 ignition coil (may be identified with White tape). Aim timing light toward pointer on timing belt cover. Red mark on crankshaft pulley should align with pointer on front of engine. See Fig 4 . If timing is not as specified (Red mark and pointer are not aligned), replace ECM/PCM. Timing is not adjustable. Remove service check connector tool from service check connector.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.