Fault Code P0490
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0490
Exhaust Gas Recirculation (EGR) 'A' Control Circuit High
This code indicates a high voltage in the EGR valve 'A' control circuit. This can cause the valve to remain excessively open or closed, disrupting the exhaust gas recirculation process.
Part Details
Part Name
Exhaust Gas Recirculation (EGR) Valve 'A'
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪600 - ₪2000
Engine Location
EGR system
Symptoms
- Engine performance reduction
- Increased fuel consumption
- Check Engine Light on
- Idle issues
Possible Causes
- 1Wiring short to voltage in the control circuit
- 2Faulty EGR valve 'A'
- 3Faulty connector
- 4Faulty Engine Control Unit (ECU)
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