AutoCodes – Generic – P02EF

P02EF Code - Cylinder 2 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 2, Faulty Fuel Injector 2, Plugged Fuel Injector 2. 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: P02EF indicates Cylinder 2 Injector Circuit Range/Performance.
Common causes: Common causes include Dirty Fuel Injector 2, Faulty Fuel Injector 2, Plugged Fuel Injector 2.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 6,512

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
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P02EF 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 P02EF - Cylinder 2 Injector Circuit Range/Performance - AutoCodes.com — P02EF Code - Cylinder 2 Injector Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P02EF?

Dirty Fuel Injector 2
Faulty Fuel Injector 2
Plugged Fuel Injector 2
Fuel Injector #2 harness is open or shorted
Fuel Injector #2 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P02EF?

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 P02EF 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 P02EF code?

Need more information on how to fix the P02EF code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P02EF code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P02EF BMW — Cylinder 2 Fuel Injector Circuit Range/Performance
P02EF Chevrolet — Cylinder 2 Injector Circuit Range/Performance
P02EF Dodge — Cylinder 2 Injector Circuit Range/Performance
P02EF Ford — Cylinder 2 Injector Circuit Range/Performance
P02EF GMC — Cylinder 2 Injector Circuit Range/Performance
P02EF MINI — Cylinder 2 Fuel 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.