AutoCodes – Mitsubishi – P2098 Mitsubishi

P2098 Mitsubishi Code - Downstream Fuel Trim System 2 Lean

Quick Answer

P2098 Mitsubishi indicates Downstream Fuel Trim System 2 Lean. Common causes include Downstream O2 sensor harness is open or shorted, Downstream O2 sensor circuit poor electrical connection, Exhaust leak near O2 sensor. 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: P2098 Mitsubishi indicates Downstream Fuel Trim System 2 Lean.
Common causes: Common causes include Downstream O2 sensor harness is open or shorted, Downstream O2 sensor circuit poor electrical connection, Exhaust leak near O2 sensor.
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.

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Code Popularity 3,690

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2098 Mitsubishi Description

OBDII Code P2098 Mitsubishi - Downstream Fuel Trim System 2 Lean - AutoCodes.com — P2098 Mitsubishi Code - Downstream Fuel Trim System 2 Lean

What does this mean?

What are the Possible Causes of the DTC P2098 Mitsubishi?

Downstream O2 sensor harness is open or shorted
Downstream O2 sensor circuit poor electrical connection
Exhaust leak near O2 sensor
Faulty O2 sensor
Fuel contamination

How to Fix the DTC P2098 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 P2098 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 P2098 Mitsubishi code?

Need more information on how to fix the P2098 Mitsubishi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2098 Mitsubishi code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2098 Mitsubishi Code

1. What are common symptoms of OBDII code P2098 in a Mitsubishi related to the Downstream Fuel Trim System 2 Lean?

- Common symptoms include a decrease in fuel efficiency, rough idling, and hesitation during acceleration.

2. What are the potential causes of OBDII code P2098 in a Mitsubishi indicating a lean condition in Downstream Fuel Trim System 2?

- Causes may include a faulty oxygen sensor, vacuum leaks, a clogged fuel injector, or a malfunctioning mass airflow sensor.

3. How can I diagnose the source of OBDII code P2098 in a Mitsubishi indicating a lean condition in Downstream Fuel Trim System 2?

- Diagnosing the issue may involve checking the oxygen sensor readings, inspecting for vacuum leaks, testing the fuel injectors, and scanning for any other related trouble codes.

4. What are some possible repair tips for addressing OBDII code P2098 in a Mitsubishi related to Downstream Fuel Trim System 2 Lean?

- Repair tips may include replacing the oxygen sensor, fixing any vacuum leaks, cleaning or replacing the fuel injectors, or recalibrating the mass airflow sensor.

5. Can driving with OBDII code P2098 in a Mitsubishi indicating a lean condition in Downstream Fuel Trim System 2 cause further damage to the vehicle?

- Continuing to drive with this issue can lead to decreased engine performance, potential damage to the catalytic converter, and increased emissions.

6. How much does it typically cost to repair OBDII code P2098 in a Mitsubishi related to the Downstream Fuel Trim System 2 Lean?

- Repair costs can vary depending on the specific cause of the issue, but they may range from $100 to $500, including parts and labor.

7. Is it safe to ignore OBDII code P2098 in a Mitsubishi indicating a lean condition in Downstream Fuel Trim System 2?

- Ignoring the issue can lead to poor engine performance, reduced fuel efficiency, and potential long-term damage, so it is not recommended to ignore this code.

8. How long does it take to repair OBDII code P2098 in a Mitsubishi related to Downstream Fuel Trim System 2 Lean?

- The repair time can vary based on the cause of the issue and the complexity of the repair, but it may take anywhere from 1 to 4 hours to address the problem.

9. Can a DIY enthusiast fix OBDII code P2098 in a Mitsubishi indicating a lean condition in Downstream Fuel Trim System 2?

- Depending on the individual's mechanical skills and access to tools, some DIY enthusiasts may be able to address simpler causes of this code, such as replacing an oxygen sensor or fixing minor vacuum leaks.

10. Will resetting the OBDII code P2098 in a Mitsubishi related to Downstream Fuel Trim System 2 Lean make the issue go away permanently?

- Simply resetting the code without addressing the underlying problem will not solve the issue permanently; the root cause needs to be diagnosed and repaired to prevent the code from reoccurring.