AutoCodesGeneric – P3113

P3113 Code - Cylinder 4 High-Pressure Fuel Injector Low Side Circuit Low

Quick Answer

The solenoid-controlled injection valve discharges a high-pressure spray into the combustion chamber. 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
P3113 indicates Cylinder 4 High-Pressure Fuel Injector Low Side Circuit Low.
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 920
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 15, 2020
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Code P3113 Description

The solenoid-controlled injection valve discharges a high-pressure spray into the combustion chamber. The solenoid-controlled injection valve is a retracting-plunger valve characterized by a high level of flexibility in its spray-propagation pattern (angle and shape). The discharge orifices form the high-precision injection pattern. This provides even and consistent propagation. The retracting-plunger solenoid-controlled injection valve continues to maintain stable propagation properties, even at the temperatures and pressure levels encountered within the combustion chamber. Fuel is injected into the combustion chambers under high pressure (between 50 and 200 bar) during the intake and compression strokes. During the warm-up phase yet another, a minute quantity of fuel is injected to assist the catalytic converter to reach its effective operating temperature more quickly (catalytic converter heating). During cold starting, the fuel is sprayed during the compression stroke in multiple pulses. This strategy provides reliable cold-starts along with substantive improvements in the areas of pollutant emissions and fuel consumption.
The Digital Motor Electronics (DME) diagnosis monitors the activation of the low voltage side of the fuel injector. The Diagnostic Trouble Code (DTC) is detected when there is a short circuit to ground.
OBDII Code P3113 - Cylinder 4 High-Pressure Fuel Injector Low Side Circuit Low - AutoCodes.com
P3113 Code - Cylinder 4 High-Pressure Fuel Injector Low Side Circuit Low

What are the Possible Causes of the DTC P3113?

  • Faulty Fuel Injector 4
  • Fuel Injector 4 harness is open or shorted
  • Fuel Injector 4 circuit poor electrical connection
  • Faulty Digital Motor Electronics (DME)

How to Fix the DTC P3113?

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 P3113 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 P3113 code?

Need more information on how to fix the P3113 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P3113 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • P3113 BMW — Cylinder 4 High-Pressure Fuel Injector Low Side Circuit Low
  • P3113 MINI — Cylinder 4 High-Pressure Fuel Injector Low Side Circuit Low
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 P3113 Code

1. What does OBDII code P3113 mean?

P3113 indicates that the low side circuit for the high-pressure fuel injector on cylinder 4 is operating at a voltage lower than expected, suggesting an electrical or wiring issue.

2. What are the common symptoms of code P3113?

Symptoms may include rough idling, misfires in cylinder 4, reduced engine performance, poor fuel efficiency, and an illuminated Check Engine Light.

3. What causes the P3113 code to appear?

Common causes include damaged or corroded wiring, a faulty fuel injector, a malfunctioning engine control module (ECM), or poor electrical connections in the circuit.

4. Can I drive my car with code P3113?

While the vehicle may still be drivable, driving with this code can lead to further engine damage or reduced performance. It is best to address the issue promptly.

5. How can I diagnose P3113?

Diagnosis involves inspecting the wiring and connectors for cylinder 4’s fuel injector, testing the injector itself, and checking the ECM for proper operation.

6. How do I fix the P3113 code?

Repairs may include replacing damaged wiring, cleaning or reconnecting loose connectors, replacing the faulty fuel injector, or reprogramming/updating the ECM.

7. What tools are needed to troubleshoot P3113?

Tools may include an OBDII scanner, multimeter, wiring diagram for your vehicle, and potentially fuel injector testing equipment.

8. How much does it cost to repair a P3113 code?

Costs vary depending on the issue; repairing wiring or connectors may cost $50-$150, while replacing a fuel injector can cost $200-$500 or more, including labor.

9. Can a dirty fuel injector cause P3113?

A dirty injector is unlikely to cause this specific code, but a clogged or malfunctioning injector could contribute to symptoms of misfiring or poor performance.

10. Will clearing the code solve P3113?

Simply clearing the code without addressing the underlying cause will not fix the problem, and the code will likely return shortly after.

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