[SOLVED] P1264 Code: Cylinder #4 Short – Fixing The High To Low Side Issue

The automobile fault code P1264 indicates a problem with Fuel Injector 4. This can be identified by the Engine Light or Service Engine Soon Warning Light being illuminated. The possible causes include a faulty Fuel Injector 4, an open or shorted harness, poor electrical connection in the Fuel Injector 4 circuit, or a faulty Fuel Injector Interface Module.

To fix this issue, visually inspect the wiring harness and connectors for any damage. Look out for broken, bent, pushed out, or corroded pins in the connectors. The repair time for this problem is estimated to be 1.0.

It is important to address this issue promptly to ensure optimal performance and avoid further damage.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p1264 fault code.

  • The symptoms of the automobile fault code p1264 include the Engine Light being ON and the Service Engine Soon Warning Light being illuminated.

The automobile fault code p1264 can be caused by a faulty fuel injector 4, an open or shorted fuel injector 4 harness, a poor electrical connection in the fuel injector 4 circuit, or a faulty fuel injector interface module.

  • The fault code p1264 can be caused by the following: a faulty Fuel Injector 4, an open or shorted harness for Fuel Injector 4, a poor electrical connection in the Fuel Injector 4 circuit, or a faulty Fuel Injector Interface Module.

To fix the p1264 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p1264, you need to follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • 5.
  • Repairing this fault code is estimated to take approximately 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p1264 are the estimated repair time of 1.0 hour and the typical auto repair shop charges of $75 to $150 per hour.

The P1264 fault code refers to a problem in the fuel injector circuit of cylinder #4. The fuel injectors are responsible for delivering fuel into the combustion chamber with precision. In this case, the issue lies in the high to low side shift of the cylinder #4 fuel injector.

The Diagnostic Trouble Code (DTC) is detected by the Fuel Injector Interface Module. This fault code indicates a problem with the fuel injector circuit and should be addressed to ensure proper fuel delivery and engine performance.

What are the possible causes of the automobile fault code P1264?

If you see the engine light or service engine soon warning light on, the fault code P1264 could be the culprit. This code is often caused by a faulty fuel injector 4, an open or shorted fuel injector 4 harness, a poor electrical connection in the fuel injector 4 circuit, or a faulty fuel injector interface module. To fix this issue, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.

How can I visually inspect the wiring harness and connectors to fix the issue?

To fix the issue of the Engine Light being ON, you can start by visually inspecting the wiring harness and connectors. This can help identify any potential problems such as a faulty Fuel Injector 4, an open or shorted harness, a poor electrical connection in the Fuel Injector 4 circuit, or a faulty Fuel Injector Interface Module. Take a close look for any damaged components and check for broken, bent, pushed out, or corroded pins in the connectors. This thorough inspection can help pinpoint the cause of the issue and guide you towards the appropriate fix.

What should I look for when checking for damaged components or corroded connector pins?

When troubleshooting an engine light or service engine soon warning light, it’s important to check for damaged components or corroded connector pins. In the case of a faulty fuel injector 4, a visual inspection of the related wiring harness and connectors is crucial. Look for any signs of damage, such as broken, bent, pushed out, or corroded connector pins. By addressing these issues, you can effectively diagnose and fix the problem.

p1264 error fault code explained

If your engine light is on, it could be due to a faulty fuel injector 4 or issues with the wiring harness and connectors. To fix this, visually inspect the wiring and connectors for any damage. Look out for broken, bent, pushed out, or corroded pins on the connectors.

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