P0490 Mitsubishi Code - Exhaust Gas Recirculation Throttle Control Circuit 'A' Circuit High
Quick Answer
The Engine Control Module (ECM) does not detect voltage on the Exhaust Gas Recirculation (EGR) Solenoid circuit. Common causes include Faulty Exhaust Gas Recirculation (EGR) Solenoid, Exhaust Gas Recirculation (EGR) Solenoid harness is open or shorted, Exhaust Gas Recirculation (EGR) Solenoid circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0490 Mitsubishi indicates Exhaust Gas Recirculation Throttle Control Circuit 'A' Circuit High.
- Common causes
- Common causes include Faulty Exhaust Gas Recirculation (EGR) Solenoid, Exhaust Gas Recirculation (EGR) Solenoid harness is open or shorted, Exhaust Gas Recirculation (EGR) Solenoid circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0490 Mitsubishi Description
What are the Possible Causes of the DTC P0490 Mitsubishi?
- Faulty Exhaust Gas Recirculation (EGR) Solenoid
- Exhaust Gas Recirculation (EGR) Solenoid harness is open or shorted
- Exhaust Gas Recirculation (EGR) Solenoid circuit poor electrical connection
How to Fix the DTC P0490 Mitsubishi?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0490 Mitsubishi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0490 Mitsubishi code?
Need more information on how to fix the P0490 Mitsubishi code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0490 Mitsubishi code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0490 Mitsubishi Code
1. What are the common symptoms of OBDII code P0490 in a Mitsubishi related to the Exhaust Gas Recirculation Throttle Control Circuit 'A' Circuit High?
- Common symptoms include a check engine light illuminated on the dashboard, reduced engine performance, rough idling, and potential stalling.
2. What are the possible causes of OBDII code P0490 in a Mitsubishi?
- The code P0490 in a Mitsubishi can be caused by issues such as a faulty EGR throttle control circuit, damaged wiring or connectors, or a malfunctioning EGR valve.
3. How can I diagnose the cause of OBDII code P0490 in my Mitsubishi?
- To diagnose the cause of code P0490, you may need to conduct a visual inspection of the EGR system components, check the wiring for damage, and use a multimeter to test the EGR throttle control circuit for continuity.
4. Can I continue driving my Mitsubishi with OBDII code P0490 present?
- It is not recommended to continue driving your Mitsubishi with code P0490 present, as it can lead to further engine damage and potential safety hazards. It is best to address the issue promptly.
5. How can I repair OBDII code P0490 in my Mitsubishi?
- Repairing OBDII code P0490 may involve replacing a faulty EGR valve, repairing damaged wiring or connectors, or resetting the EGR throttle control circuit. It is advisable to consult a professional mechanic for proper diagnosis and repair.
6. Are there any DIY tips for resolving OBDII code P0490 in a Mitsubishi?
- While some basic inspections and checks can be done by DIY enthusiasts, resolving code P0490 often requires specialized tools and expertise. It's recommended to seek assistance from a qualified mechanic for proper diagnosis and repair.
7. How much does it typically cost to fix OBDII code P0490 in a Mitsubishi?
- The cost of fixing OBDII code P0490 in a Mitsubishi can vary depending on the exact cause of the issue, parts needed for replacement, and labor costs. It's advisable to get estimates from local mechanics or dealerships.
8. Can a dirty EGR system cause OBDII code P0490 in a Mitsubishi?
- While a dirty EGR system can contribute to code P0490 in a Mitsubishi, the primary cause is usually related to the EGR throttle control circuit itself, such as a malfunctioning component or wiring issue.
9. Is it safe to reset the OBDII code P0490 in my Mitsubishi using an OBDII scanner?
- While resetting the code with an OBDII scanner may clear the check engine light temporarily, it will not fix the underlying issue causing code P0490. It's essential to diagnose and address the root cause of the problem.
10. How often does OBDII code P0490 related to the Exhaust Gas Recirculation Throttle Control Circuit 'A' Circuit High occur in Mitsubishi vehicles?
- OBDII code P0490 related to the EGR throttle control circuit high can occur in Mitsubishi vehicles, particularly in models with EGR systems that are prone to component failures or wiring issues.
Discuss the causes and fixes for P0490 Mitsubishi OBDII Code
Code P0490 Mitsubishi comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
