P1494 Code: SPCUT Solenoid Circuit Malfunction
🟢 Low severity · drivable
Safe to drive — this code affects the EVAP leak detection system, not engine performance.
What P1494 means
The SPCUT solenoid circuit, part of the evaporative emission (EVAP) system's leak detection pump, has an electrical fault. This solenoid helps the system test for fuel vapor leaks, and when its circuit fails the computer stores P1494.
Symptoms
- Check engine light is on
- Usually no driving symptoms
- EVAP monitor may not run
Common causes
- most common: Faulty leak detection pump or SPCUT solenoid
- common: Damaged wiring or connector
- common: Corroded terminals
- less common: Blocked EVAP vent line
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Replace the leak detection pump or solenoid assembly | Yes | $60–200 |
| Inspect and repair wiring and connector | Yes | $20–100 |
| Check EVAP vent lines for blockages | Yes | $10–60 |
Frequently asked questions
Can I drive with a P1494 code?
Yes. It only affects the EVAP leak detection system, so the car will drive normally. Fix it before your next emissions test.
What is the SPCUT solenoid?
It's a solenoid inside the EVAP system's leak detection pump that helps the computer run a pressure test to find fuel vapor leaks.
How much does it cost to fix a P1494?
Most repairs cost $60–$200 for a new leak detection pump or solenoid, plus a little more if wiring also needs work.
Related codes
P0442
P0442 Code: Evaporative Emission Control System Leak Detected (Small Leak)
P0455P0455 Code: Evaporative Emission Control System Leak Detected (Large Leak)
P0446P0446 Code: Evaporative Emission Control System Vent Control Circuit Malfunction
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.