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.
Related DTCS
| DTC No. | Monitoring Item |
|---|---|
| P043E | 0.02 inch orifice clogged (built into pump module) |
| P043F | 0.02 inch orifice high-flow (built into pump module) |
| P0441 |
|
| P0450 | Pressure sensor (built into pump module) voltage abnormal fluctuation |
| P0451 |
|
| P0452 | Pressure sensor (built into pump module) voltage low |
| P0453 | Pressure sensor (built into pump module) voltage high |
| P0455 | EVAP gross leak |
| P0456 | EVAP small leak |
| P2401 | Vacuum pump stuck OFF (built into pump module) |
| P2402 | Vacuum pump stuck ON (built into pump module) |
| P2419 | Vent valve stuck closed (built into pump module) |
| P2420 | Vent valve stuck open (vent) (built into pump module) |
| P2610 | Soak timer (built into ECM) |
If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below.
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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