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.
MIL Stays Illuminated
2004 Acura 3.5RLSECTION MIL Stays Illuminated
WARNING: This page is about a different car, the 2003 Acura RSX. However, it is still accessible from the selected car via links, so may be relevant.
- Start engine and check MIL.
- If MIL stays illuminated, turn ignition switch off. Connect scan tool to DLC. See Figure .
- Turn ignition switch on. Record DTCs and freeze data listed on scan tool. See DIAGNOSTIC TROUBLE CODE DEFINITIONS
. Perform appropriate trouble shooting procedure.NOTE: Freeze data indicates engine conditions when malfunction, misfire or fuel trim malfunction occurred.
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:
- • 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.