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.
Diagnosis Procedure
- CHECK HOSE AND PIPING
- Turn ignition switch OFF.
- Check the following.
- Blockage, crush, or damage in the hose and the piping of EVAP purge line between fuel tank and intake manifold.
- Blockage, crush, or damage in the hose and the piping of intake air passage between inlet air duct and intake manifold.
Is the inspection result normal?
>>
GO TO 2.
>>
Repair or replace error-detected parts.
- CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Check EVAP control system pressure sensor. Refer to Component Inspection .
Is the inspection result normal?
>>
Replace ECM (built in barometric pressure sensor).
>>
Replace EVAP control system pressure sensor. Refer to Removal and Installation .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.