P0133 Mitsubishi Code - Cylinder 1-4 Heated Oxygen Front Sensor Circuit Slow Response
Quick Answer
The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. Common causes include Faulty Front Heated Oxygen Sensor Bank 1, Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0133 Mitsubishi indicates Cylinder 1-4 Heated Oxygen Front Sensor Circuit Slow Response.
- Common causes
- Common causes include Faulty Front Heated Oxygen Sensor Bank 1, Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0133 Mitsubishi Description
What are the Possible Causes of the DTC P0133 Mitsubishi?
- Faulty Front Heated Oxygen Sensor Bank 1
- Front Heated Oxygen Sensor Bank 1 harness is open or shorted
- Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
How to Fix the DTC P0133 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0133 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 P0133 Mitsubishi code?
Need more information on how to fix the P0133 Mitsubishi code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0133 Mitsubishi code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0133 Mitsubishi Code
1. What are the common symptoms of OBDII code P0133 in a Mitsubishi related to the Cylinder 1-4 Heated Oxygen Front Sensor Circuit Slow Response?
- Common symptoms include poor fuel efficiency, rough idling, and an illuminated check engine light.
2. What are the possible causes of OBDII code P0133 in a Mitsubishi?
- The code P0133 in a Mitsubishi may be caused by a faulty oxygen sensor, a vacuum leak, exhaust leaks, or issues with the wiring or connectors.
3. How can I diagnose the Cylinder 1-4 Heated Oxygen Front Sensor Circuit Slow Response issue in my Mitsubishi?
- Diagnosis involves checking the oxygen sensor’s wiring and connections, performing a visual inspection for leaks, and using a scan tool to monitor sensor data.
4. Can a dirty or contaminated oxygen sensor cause code P0133 in a Mitsubishi?
- Yes, a dirty or contaminated oxygen sensor can lead to a slow response, triggering code P0133 in a Mitsubishi.
5. Is it safe to continue driving my Mitsubishi with OBDII code P0133 present?
- It is generally not recommended to drive your Mitsubishi with code P0133, as it can lead to decreased fuel efficiency and potential long-term engine damage.
6. How can I repair OBDII code P0133 in my Mitsubishi?
- Repair options may include replacing the oxygen sensor, fixing any leaks, cleaning sensor connectors, or addressing wiring issues as needed.
7. Can I reset the check engine light after fixing the issue causing OBDII code P0133 in my Mitsubishi?
- Yes, after resolving the underlying problem causing code P0133, you can reset the check engine light using an OBDII scan tool.
8. Will OBDII code P0133 cause my Mitsubishi to fail emissions testing?
- Yes, code P0133 can cause your Mitsubishi to fail emissions testing, as it indicates an issue with the oxygen sensor affecting emissions control.
9. How long does it typically take to repair OBDII code P0133 in a Mitsubishi?
- The repair time for code P0133 can vary depending on the exact cause, but it may take anywhere from 30 minutes to a few hours to complete the necessary repairs.
10. Can a DIY enthusiast fix OBDII code P0133 in a Mitsubishi, or is it best left to a professional mechanic?
- Depending on your skill level and access to tools, DIY enthusiasts can often address OBDII code P0133 by following repair guides, but seeking professional help is recommended if unsure.
Discuss the causes and fixes for P0133 Mitsubishi OBDII Code
Code P0133 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.
