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.
Test-ID 59 ($3B): Fuel Tank EVAP System Leak Test (0.0").
-- Connect the scan tool.
-- Start the engine and let run at idle speed.
-- Select "Diagnostic Mode 06 - Checking test results of components that are not continuously monitored".
Select "Test-ID 59 ($3B)".
-- Select the desired "Test-ID".
-- Check specified values at idle.
| Test-ID (TID) (Hex-ID) | DTC | Component or System | Min. | Max. | Additional Information |
|---|---|---|---|---|---|
| 129 ($81) | P0442 | Fuel Tank Leak Test | --- | 1.0-1.3 Sec | Refer to DTC P0442 in the OBD DTC Summary Table for all monitoring values.Engine Control Module - P0442 |
-- If any component or system fails to meet the specified values, refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY to check for stored DTC's or the corresponding diagnostic repair procedure.
-- Switch the ignition off.
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.