P1442 – Infiniti DTC

Infiniti DTC P1442 – EVAP Vacuum Switch Voltage High During Ignition On

DTC P1442 meaning on Infiniti

1. DTC: P1442
2. Component: EVAP Vacuum Switch
3. Description: Voltage High During Ignition On

Infiniti DTC P1442 symptoms

• Check Engine Light illuminated
• Increased fuel consumption
• Possible fuel odor

Infiniti DTC P1442 causes

• Faulty EVAP Vacuum Switch
• EVAP system leaks
• Electrical issues in the EVAP system

Infiniti DTC P1442 seriousness

The seriousness of DTC P1442 lies in its impact on emissions and fuel economy. While the vehicle may still be operable, it is important to address this issue promptly to prevent further damage and maintain optimal performance.

How to diagnose DTC P1442 on Infiniti

1. Use an OBD-II scanner to retrieve the trouble codes
2. Inspect the EVAP Vacuum Switch for any visible damage
3. Check for leaks in the EVAP system
4. Test the electrical connections related to the EVAP system

How to fix DTC P1442 on Infiniti

1. Replace the faulty EVAP Vacuum Switch
2. Repair any leaks in the EVAP system
3. Address any electrical issues in the EVAP system
4. Clear the trouble codes and reset the Check Engine Light

How to erase DTC P1442 on Infiniti

To erase DTC P1442 on an Infiniti, you can use an OBD-II scanner to clear the trouble codes. Once the issue has been addressed and fixed, clearing the codes will reset the Check Engine Light and ensure that the system is functioning properly.

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