AutoCodes – Mitsubishi – P0204 Mitsubishi

P0204 Mitsubishi Code - Injector Circuit Cylinder 4

Quick Answer

Engine Control Module (ECM) checks the injectors circuit resistance and monitors the voltage drop during normal operation. Common causes include Faulty fuel injector 4, Fuel Injector 4 harness is open or shorted, Fuel Injector #4 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: P0204 Mitsubishi indicates Injector Circuit Cylinder 4.
Common causes: Common causes include Faulty fuel injector 4, Fuel Injector 4 harness is open or shorted, Fuel Injector #4 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.

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Code Popularity 11,424

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 P0204 Mitsubishi Description

Engine Control Module (ECM) checks the injectors circuit resistance and monitors the voltage drop during normal operation. The ECM will trigger the P0204 code when the resistance or voltage drop at the injector 4 is out of specifications.

OBDII Code P0204 Mitsubishi - Injector Circuit Cylinder 4 - AutoCodes.com — P0204 Mitsubishi Code - Injector Circuit Cylinder 4

What does this mean?

What are the Possible Causes of the DTC P0204 Mitsubishi?

Faulty fuel injector 4
Fuel Injector 4 harness is open or shorted
Fuel Injector #4 circuit poor electrical connection

How to Fix the DTC P0204 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 P0204 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 P0204 Mitsubishi code?

Need more information on how to fix the P0204 Mitsubishi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0204 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 P0204 Mitsubishi Code

1. What are the common symptoms of OBDII code P0204 in a Mitsubishi related to the Injector Circuit Cylinder 4?

The common symptoms include rough idling, misfires, loss of power, and potentially stalling of the vehicle.

2. What are the possible causes of OBDII code P0204 in a Mitsubishi?

Possible causes may include a faulty fuel injector in cylinder 4, wiring issues in the injector circuit, a poor electrical connection, or an ECM (Engine Control Module) problem.

3. How can I diagnose the OBDII code P0204 in my Mitsubishi?

A diagnostic scan tool can be used to read and interpret the code. Further testing can involve checking the wiring and connections related to the fuel injector in cylinder 4.

4. Can I drive my Mitsubishi with OBDII code P0204 present?

It is not recommended to drive the vehicle with this code present, as it can lead to poor engine performance and potential further damage.

5. How can I repair OBDII code P0204 on my Mitsubishi?

Repairing the code may involve replacing the fuel injector in cylinder 4, repairing any damaged wiring or connections, or addressing any ECM issues.

6. Is it possible to reset OBDII code P0204 in a Mitsubishi without fixing the underlying issue?

Resetting the code without addressing the root cause will only temporarily clear the error code, and the issue will likely resurface.

7. Can a DIY enthusiast fix OBDII code P0204 in a Mitsubishi?

Depending on the level of expertise, some DIY enthusiasts may be able to address the issue by following repair guides and using the necessary tools.

8. How much does it typically cost to repair OBDII code P0204 in a Mitsubishi?

The cost can vary depending on the exact cause of the issue, but it may include the price of a new fuel injector, wiring repairs, and potentially labor costs if done by a mechanic.

9. Are there any preventative measures to avoid OBDII code P0204 in a Mitsubishi?

Regular maintenance, such as fuel system cleaning and using quality fuel, can help prevent issues with fuel injectors and the injector circuit.

10. Can OBDII code P0204 in a Mitsubishi lead to other problems if left unresolved?

Yes, if left unresolved, issues related to poor fuel delivery and combustion in cylinder 4 can lead to long-term engine damage and potentially affect other components of the vehicle.