AutoCodes – Generic – P02F8

P02F8 Code - Cylinder 11 Injector Circuit Range/Performance

Quick Answer

During normal conditions, the Engine Control Module (ECM) turns the Fuel Injectors ON and OFF in the Fuel Injection System. Common causes include Dirty Fuel Injector 11, Faulty Fuel Injector 11, Plugged Fuel Injector 11. 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: P02F8 indicates Cylinder 11 Injector Circuit Range/Performance.
Common causes: Common causes include Dirty Fuel Injector 11, Faulty Fuel Injector 11, Plugged Fuel Injector 11.
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 1,649

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 Apr 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P02F8 Description

During normal conditions, the Engine Control Module (ECM) turns the Fuel Injectors ON and OFF in the Fuel Injection System. The ECM sets the OBDII code when it has detected that the Fuel Injector is not working as designed.

OBDII Code P02F8 - Cylinder 11 Injector Circuit Range/Performance - AutoCodes.com — P02F8 Code - Cylinder 11 Injector Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P02F8?

Dirty Fuel Injector 11
Faulty Fuel Injector 11
Plugged Fuel Injector 11
Fuel Injector #11 harness is open or shorted
Fuel Injector #11 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P02F8?

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 P02F8 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 P02F8 code?

Need more information on how to fix the P02F8 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P02F8 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P02F8 Chevrolet — Cylinder 11 Injector Circuit Range/Performance
P02F8 Dodge — Cylinder 11 Injector Circuit Range/Performance
P02F8 Ford — Cylinder 11 Injector Circuit Range/Performance
P02F8 GMC — Cylinder 11 Injector Circuit Range/Performance

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 P02F8 Code

1. What does the OBDII code P02F8 indicate?

Code P02F8 indicates a problem with the performance or range of the injector circuit in Cylinder 11 of your engine. This suggests an issue with either the injector's ability to deliver fuel or the electrical circuit controlling the injector.

2. What are common symptoms of the P02F8 code?

Common symptoms include engine misfire, rough idle, decreased fuel efficiency, and a noticeable lack of power. The Check Engine Light will also be illuminated.

3. What causes the P02F8 code to be triggered?

Causes can include a faulty fuel injector, poor electrical connections in the injector circuit, a clogged fuel injector, or a shorted or open wire in the injector circuit.

4. How can I diagnose the P02F8 code?

Diagnosis should start with a visual inspection of the injector and its connections. Use a multimeter to check for proper voltage and resistance in the injector circuit. A scan tool can be helpful to monitor injector performance in real-time.

5. What repairs can fix the P02F8 code?

Repairs might involve replacing a faulty injector, repairing or replacing damaged wiring, or cleaning a clogged injector. Ensuring all connections are secure and corrosion-free is also crucial.

6. Is it safe to drive with the P02F8 code?

While you might be able to drive with this code active, it's not recommended due to potential engine damage from a misfiring cylinder. This can also lead to other complications like catalytic converter damage due to unburned fuel.

7. How urgent is it to address a P02F8 code?

It is fairly urgent to address this issue as ignoring it can lead to more serious engine problems, decreased performance, and increased emissions.

8. Can a P02F8 code affect the fuel economy of my vehicle?

Yes, a malfunctioning injector can lead to poor combustion efficiency, which in turn can significantly decrease your vehicle's fuel economy.

9. What tools are necessary to diagnose and repair a P02F8 code?

You will need a digital multimeter for electrical testing, a scan tool for diagnosing and monitoring engine parameters, and basic hand tools for any physical repairs or replacements.