AutoCodes – Mercedes-Benz – P0288 Mercedes-Benz

P0288 Mercedes-Benz Code - Cylinder 10 Injector Circuit Low

Quick Answer

Code P0288 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 10 Circuit. Common causes include Dirty Fuel Injector 10, Faulty Fuel Injector 10, Plugged Fuel Injector 10. 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: P0288 Mercedes-Benz indicates Cylinder 10 Injector Circuit Low.
Common causes: Common causes include Dirty Fuel Injector 10, Faulty Fuel Injector 10, Plugged Fuel Injector 10.
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 3,750

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Apr 15, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0288 Mercedes-Benz Description

Code P0288 is triggered when the Engine Control Module (ECM) detects a low voltage in the Fuel Injector 10 Circuit. During normal conditions, the ECM turns the Fuel Injectors ON and OFF in the Fuel Injection System.

OBDII Code P0288 Mercedes-Benz - Cylinder 10 Injector Circuit Low - AutoCodes.com — P0288 Mercedes-Benz Code - Cylinder 10 Injector Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0288 Mercedes-Benz?

Dirty Fuel Injector 10
Faulty Fuel Injector 10
Plugged Fuel Injector 10
Fuel Injector #10 harness is open or shorted
Fuel Injector #10 circuit poor electrical connection

How to Fix the DTC P0288 Mercedes-Benz?

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 P0288 Mercedes-Benz 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 P0288 Mercedes-Benz code?

Need more information on how to fix the P0288 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P0288 Mercedes-Benz Code

What does the OBDII code P0288 mean on a Mercedes-Benz?

1. P0288 indicates a "Cylinder 10 Injector Circuit Low," meaning the engine control module (ECM) has detected a low voltage or electrical issue in the injector circuit for cylinder 10. 2.

What are the symptoms of the P0288 code in a Mercedes-Benz?

Symptoms may include rough idling, reduced engine performance, misfires, poor fuel efficiency, and an illuminated check engine light. 3.

What causes the P0288 code to appear in a Mercedes-Benz?

Common causes include faulty fuel injectors, wiring issues such as damaged or corroded connectors, a defective ECM, or a short circuit in the injector circuit. 4.

Can driving with the P0288 code damage my Mercedes-Benz engine?

Yes, driving with this code can lead to further damage, such as unburned fuel causing catalytic converter failure or excessive engine wear due to misfires. 5.

How do I diagnose the P0288 code on a Mercedes-Benz?

Start by inspecting the fuel injector for cylinder 10, checking for wiring damage or poor connections. Use a multimeter to test voltage and resistance in the injector circuit. 6.

Can a dirty fuel injector cause the P0288 code in a Mercedes-Benz?

While a dirty injector can cause performance issues, this code specifically points to an electrical problem in the injector circuit, not a clog or restriction. 7.

How do I fix the P0288 code on my Mercedes-Benz?

Repairs may include replacing the faulty injector, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the ECM if necessary. 8.

Is the P0288 code specific to Mercedes-Benz vehicles?

No, P0288 is a generic OBDII code applicable to many vehicles, but the specific diagnosis and repair process may vary depending on the make and model. 9.

Can a blown fuse trigger the P0288 code in a Mercedes-Benz?

Yes, if the fuse for the injector circuit is blown, it can cause a low voltage condition and trigger the P0288 code. 10.

How much does it cost to repair the P0288 code on a Mercedes-Benz?

Repair costs can vary widely, from $100 to $500 or more, depending on whether the issue is a simple wiring fix or requires injector or ECM replacement.