P0264 OBD-II Trouble Code: Cylinder 2 Injector Circuit Low

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Cost of diagnosing the P0264 code

P0264 is a diagnostic trouble code (DTC) for "Cylinder 2 Injector Circuit Low". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
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Toyota$20.00
BMW$20.00
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P0264 code definition

Cylinder 2 Injector Circuit Low

What the P0264 code means

This diagnostic trouble code indicates that the powertrain control module has detected a lower reference voltage from the fuel injector on the number 2 cylinder than what was specified by the vehicle manufacturer.

What are the causes of the P0264 code?

  • A weak or damaged internal return spring may be present in the number 2 fuel injector.

  • The number 2 fuel injector could be faulty.

  • The wiring or connector associated with the fuel injector on the number 2 cylinder could be damaged.

  • The powertrain control module could be malfunctioning.

What are the symptoms of the P0264 code?

Symptoms of this trouble code that the driver may experience would include:

How does a mechanic diagnose the P0264 code?

  • A mechanic may begin diagnosing this trouble code by first locating the fuel injector on the number 2 cylinder.

  • Then, the mechanic would inspect the fuel injector and its wiring for damages.

  • After that, the mechanic would test the fuel injector using the manufacturer's recommended procedure. This test would indicate whether or not the return spring inside the fuel injector has failed.

If the cause of this issue has still not been discovered after these two tests have been performed:

  • The mechanic will then test the powertrain control module using a high-tech scan tool to determine its functionality.

Once all diagnostic tests have been carried out, the mechanic would relay his/her findings over to the customer in order for them to make an informed repair decision.

Common mistakes when diagnosing the P0264 code

Although a failed fuel injector is one of the most common causes of this trouble code, it would be a mistake to replace the fuel injector on the number 2 cylinder without testing it first. This can result in wasted time and wasted money. It is important to follow through with all diagnostic procedures provided by the vehicle manufacturer when diagnosing a Check Engine Light.

How serious is the P0264 code?

This trouble code would be considered serious due to the fact that it can make your engine run poorly. The performance of your vehicle will drastically decrease with a misfire condition that would be caused by this trouble code. It is best to have all Check Engine Lights diagnosed and repaired as soon as possible to avoid any further damage incurred by the vehicle.

What repairs can fix the P0264 code?

  • Repairing or replacing wiring or connectors that are associated with the fuel injector on the number 2 cylinder.

  • Replacing the fuel injector on the number 2 cylinder.

  • Replacing the powertrain control module.

Additional comments regarding the P0264 code

Running a fuel system cleaning at every oil change or at least every year can really help to prevent trouble codes such as this one. This service is relatively inexpensive and only takes about an hour to do. This service can also increase the fuel economy of your vehicle, so it is at least worth looking into.

Need help with a P0264 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230

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P0264
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