[SOLVED] P1304 Code: Fix Cylinder 4 Misfiring And Restore Engine Performance!

The automobile fault code P1304 indicates a problem with spark plug 4 or the ignition coil 4. This can cause the engine to run rough and trigger the engine light or service engine soon warning light.

To fix this issue, you should visually inspect the wiring harness and connectors, checking for any damage or poor electrical connections. Look out for broken, bent, pushed out, or corroded connector pins.

The repair time for this issue is estimated to be around 1.0.

It is important to address this problem promptly to ensure optimal engine performance.

Repair Importance Level6.67 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

If you’ve noticed your engine light is on and your engine is running rough, you may be experiencing the symptoms of the automobile fault code p1304.

  • The symptoms of the automobile fault code P1304 include the Engine Light being ON (or Service Engine Soon Warning Light) and the engine running rough.

The automobile fault code P1304 can be caused by a faulty spark plug 4, faulty ignition coil 4, open or shorted ignition coil 4 harness, or poor electrical connection in the ignition coil 4 circuit.

  • The fault code P1304 can be caused by a faulty spark plug 4, a faulty ignition coil 4, an open or shorted harness for ignition coil 4, or a poor electrical connection in the ignition coil 4 circuit.

To fix the p1304 fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P1304, 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.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code P1304 are the estimated repair time of 1.0 hour and the hourly rate charged by auto repair shops, which typically ranges between $75 and $150.

The P1304 fault code indicates a misfire in cylinder 4 of your vehicle’s engine. This means that the fuel and air mixture in this particular cylinder is not igniting properly, resulting in a loss of power and potentially causing damage to the engine.

It is important to address this issue promptly to prevent further complications and ensure the smooth operation of your vehicle.

If you have any questions or need more information about the P1304 code, please feel free to ask in the comments section below.

What are the possible causes of fault code P1304 in an automobile?

If you’re experiencing a rough-running engine and the engine light is on, it could be due to fault code P1304. This code is commonly caused by a faulty spark plug or ignition coil in cylinder 4. It could also be a result of an open or shorted harness or a poor electrical connection in the ignition coil circuit. To fix this issue, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look out for broken, bent, pushed out, or corroded pins in the connectors.

How can I visually inspect the wiring harness and connectors to fix fault code P1304?

To fix fault code P1304, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This can help identify if the issue lies with a faulty spark plug or ignition coil, or if there is an open or shorted circuit or poor electrical connection. Take a close look to ensure everything is in proper working order.

What should I look for when checking for damaged components or corroded connector pins to resolve fault code P1304?

When resolving fault code P1304, it’s important to check for damaged components and corroded connector pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any broken, bent, pushed out, or corroded pins. By doing so, you can identify and address any issues with faulty spark plug 4, faulty ignition coil 4, open or shorted ignition coil 4 harness, or poor electrical connections in the ignition coil 4 circuit.

p1304 error fault code explained

If your engine light is on and your engine is running rough, the issue could be with spark plug 4 or the ignition coil 4. To fix it, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Look out for broken or bent pins on the connectors.

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