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AutoCodes – Lincoln – P0268 Lincoln

P0268 Lincoln Code - Cylinder 3 Injector Circuit High

Quick Answer

The Engine Control Module (ECM) supplies voltage to each Fuel Injector on the high control circuits. Common causes include Dirty Fuel Injector 3, Faulty Fuel Injector 3, Plugged Fuel Injector 3. 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
P0268 Lincoln indicates Cylinder 3 Injector Circuit High.
Common causes
Common causes include Dirty Fuel Injector 3, Faulty Fuel Injector 3, Plugged Fuel Injector 3.
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 326
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Jun 02, 2022
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Code P0268 Lincoln Description

The Engine Control Module (ECM) supplies voltage to each Fuel Injector on the high control circuits. The ECM energizes each fuel injector by grounding the low control circuit of the fuel injector. The ECM monitors the status of the fuel injector circuits. When a fuel injector circuit condition is detected by the ECM, the affected fuel injector(s) is disabled. The Diagnostic Trouble Code (DTC) will be set when the ECM detects the fuel injector control circuit is shorted to voltage for greater than 2 s.
OBDII Code P0268 Lincoln - Cylinder 3 Injector Circuit High - AutoCodes.com
P0268 Lincoln Code - Cylinder 3 Injector Circuit High
What does this mean?

What are the Possible Causes of the DTC P0268 Lincoln?

  • Dirty Fuel Injector 3
  • Faulty Fuel Injector 3
  • Plugged Fuel Injector 3
  • Fuel Injector #3 harness is open or shorted
  • Fuel Injector #3 circuit poor electrical connection

How to Fix the DTC P0268 Lincoln?

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 does this mean?

Code Tech Notes

Clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0268 Lincoln 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 P0268 Lincoln code?

Need more information on how to fix the P0268 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0268 Lincoln 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 P0268 Lincoln Code

1. What does the OBDII code P0268 mean on a Lincoln?

P0268 indicates a high voltage condition in the injector circuit for cylinder 3, meaning the engine control module (ECM) has detected an electrical issue in that circuit.

2. What are the common symptoms of code P0268 in a Lincoln?

Symptoms may include rough idling, engine misfires, decreased fuel efficiency, poor acceleration, or the Check Engine Light being illuminated.

3. What causes the P0268 code on a Lincoln?

Possible causes include a faulty fuel injector, damaged or corroded wiring, a short circuit, a defective ECM, or a poor electrical connection in the injector circuit.

4. Can I drive my Lincoln with a P0268 code?

While the vehicle may still be drivable, it’s not recommended to continue driving for long periods as this can lead to further engine damage and reduced performance.

5. How do I diagnose the P0268 code on a Lincoln?

Start by inspecting the wiring and connectors for cylinder 3’s injector. Use a multimeter to check for continuity and proper voltage, and test the injector itself for functionality.

6. How can I fix the P0268 code on my Lincoln?

Repairs may include replacing the faulty injector, repairing or replacing damaged wiring, cleaning corroded connectors, or, in rare cases, replacing the ECM.

7. How much does it cost to fix a P0268 code on a Lincoln?

Repair costs can vary, but replacing a fuel injector typically costs between $200 and $500, while wiring repairs may range from $50 to $200 depending on the extent of the damage.

8. Can a dirty fuel injector cause the P0268 code?

A dirty injector is unlikely to cause this specific code since P0268 relates to an electrical issue, not a clog or flow problem.

9. Will clearing the P0268 code fix the issue?

Clearing the code will turn off the Check Engine Light temporarily, but the underlying issue must be resolved to prevent the code from returning.

10. Can a bad ECM cause the P0268 code on a Lincoln?

Yes, although it is rare, a malfunctioning ECM can cause this code if it fails to properly regulate the injector circuit’s voltage.

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