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.
Using M-MDS
- Connect the M-MDS to the DLC-2.
- Using the simulation function "FP", start the fuel pump. (See ON-BOARD DIAGNOSTIC TEST .)
- Verify that there is no fuel leakage from the pressurized parts.
Standard
There shall be no leakage after 5 min.
- In the case of fuel leakage, replace the following components and then do the recheck by the fuel leakage checking procedure.
- If there is leakage, replace the fuel hoses and clips.
- If there is damage on the seal on the fuel pipe side, replace the fuel pipe.
Use the Manual With the Right Hardware
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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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