[SOLVED] P1934 Code: Fix Fuel Additive Pump Control Circuit High

The P1934 fault code in automobiles indicates a problem with the Fuel Additive Level Pump. The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light.

The cause of this issue could be a faulty Fuel Additive Level Pump, an open or shorted harness, or a poor electrical connection in the Fuel Additive Level Pump circuit.

It is important to address this issue promptly as it can lead to decreased fuel efficiency and engine performance.

The repair process involves visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector pins. The repair time for this issue is estimated to be around 1.0 hour.

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

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be due to the p1934 fault code. Here are the symptoms to look out for:

  • The P1934 fault code in an automobile can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include issues with the transmission, such as difficulty shifting gears or the transmission slipping.
  • The vehicle may also experience a decrease in fuel efficiency or a loss of power while driving.
  • Additionally, the car may emit unusual noises or vibrations, and the engine may stall or fail to start altogether.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The automobile fault code P1934 can be caused by a faulty fuel additive level pump, open or shorted harness, or poor electrical connection.

  • The automobile fault code P1934 can be caused by a faulty fuel additive level pump.
  • It can also be caused by an open or shorted harness of the fuel additive level pump.
  • Additionally, a poor electrical connection in the fuel additive level pump circuit can also trigger this fault code.

To fix the p1934 fault code, check the possible causes and inspect the wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code P1934, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The fault code P1934 indicates a problem with the engine’s fuel pressure sensor. The estimated repair time for this issue is 1.0 hour. The cost of fixing this issue can vary depending on the auto repair shop, but it is common for them to charge between $75 and $150 per hour.

These factors should be considered when diagnosing and fixing the P1934 fault code.

The P1934 code is a generic description for Fuel Additive Pump Control Circuit High.

However, the manufacturer may have a different description for your specific vehicle. Unfortunately, we do not have any further information about this code at this time. If you have any questions or concerns, please feel free to post them in the comments section below for more information.

What are the possible causes of the P1934 automobile fault code?

If your engine light is on and you’re seeing the P1934 fault code, it could be due to a faulty fuel additive level pump, an open or shorted fuel additive level pump harness, or a poor electrical connection in the fuel additive level pump circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector pins.

How can one visually inspect the related wiring harness and connectors to fix the P1934 fault code?

If you’re experiencing an Engine Light ON or Service Engine Soon Warning Light due to the P1934 fault code, you can fix it by visually inspecting the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Additionally, check for a faulty Fuel Additive Level Pump, an open or shorted Fuel Additive Level Pump harness, or a poor electrical connection in the Fuel Additive Level Pump circuit.

What are the consequences of ignoring the P1934 fault code?

Ignoring the P1934 fault code, which indicates a faulty fuel additive level pump or related wiring issues, can lead to serious consequences such as reduced fuel efficiency, engine misfires, and even engine damage. It is important to address the issue promptly by visually inspecting the wiring harness and connectors, checking for damaged components, and fixing any issues found.

p1934 error fault code explained

If your engine light is on and the code is P1934, it could be due to a faulty fuel additive level pump or poor electrical connection. To fix it, visually inspect the wiring harness and connectors for damage or corrosion.

Check for broken or bent pins.

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