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.
DTC Confirmation Test (Using CONSULT-II)
- Start engine and warm to normal operating temperature. Turn ignition off and wait at least 10 seconds. Start engine and let it idle for at least 70 seconds. Select "PURG FLOW P0441" of "EVAPORATIVE SYSTEM" in "DTC CONFIRMATION" mode with CONSULT-II. Touch "START".
- If "COMPLETED" is displayed, go to next step. When the following conditions are met, "TESTING" will be displayed on the CONSULT-II screen. Maintain the conditions continuously until "TESTING" changes to "COMPLETED". It will take at least 35 seconds.
- Vehicle speed: 20-75 MPH.
- ENG SPEED: 500-3800 RPM.
- B/FUEL SCHDL: 1.0 - 10.0 msec.
- Engine coolant temperature: 158-212°F (70-100°C).
If "TESTING" is not changed for a long time, perform retest.
- Ensure that "OK" is displayed after touching "SELF-DIAG RESULTS". If "NG" is displayed, go to DIAGNOSTIC PROCEDURE .
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.
No obligation. See pricing before you book.