P1403
Exhaust Gas Recirculation System Valve 1
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)
Symptoms
- Unstable engine idling
- Dips during acceleration
- Increased fuel consumption
- Increased emissions
- Check Engine Light Illuminates
Causes
- EGR valve stuck open/closed
- Open or short circuit in control circuit
- Control solenoid valve malfunction
- Vacuum leak in the system
- EGR valve is clogged with carbon deposits
How to Fix
- Check the condition of the EGR valve and its electrical connections
- Clean the valve from carbon deposits (if possible)
- Check the integrity of vacuum hoses and connections
- Check the operation of the control solenoid valve
- If necessary, replace the EGR valve