What does code P1442 mean on Isuzu vehicles?
The ECU detects a high voltage signal from the EVAP vacuum switch during ignition on.
OBD-II Code Isuzu
P1442 — Isuzu — EVAP Vacuum Switch Voltage High During Ignition On
The ECU detects a high voltage signal from the EVAP vacuum switch during ignition on.
Common symptoms
- Check engine light on
Possible causes
- Faulty EVAP vacuum switch
- wiring short to voltage
Initial recommendation
Inspect EVAP vacuum switch operation and wiring.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Isuzu code P1442 with your vehicle's actual symptoms for more complete diagnostic guidance.
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