P1555
Electronic Variable Orifice Output
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Reduced engine power
- Increased fuel consumption
- Rough engine operation
- Check Engine Light Illuminates
- Acceleration problems
Causes
- Open or short circuit in control circuit
- Electronic variable nozzle malfunction
- Problems with the engine control unit (ECU)
- Wiring harness damage
- Contact corrosion
How to Fix
- Check the integrity of the control circuit
- Check the resistance and operation of the electronic adjustable nozzle
- Inspect the wiring harness for damage
- Check contacts for corrosion
- If necessary, replace faulty components