[SOLVED] P2668 Code: How To Fix Fuel Mode Indicator Lamp Control

The P2668 fault code in automobiles refers to a faulty Fuel Mode Indicator Lamp, which triggers the Engine Light or Service Engine Soon Warning Light. The possible causes of this issue include an open or shorted Fuel Mode Indicator Lamp harness, poor electrical connection in the Fuel Mode Indicator Lamp circuit, or a faulty Fuel Mode Indicator Lamp. To fix this problem, one needs to visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

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

It is crucial to interpret the fault code correctly to avoid any further damage to the vehicle.

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 a sign of p2668 fault code. Here are the symptoms to look out for:

  • The P2668 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 a decrease in engine power, reduced fuel efficiency, and difficulty shifting gears.
  • The vehicle may also experience engine stalling or misfiring, and there may be a noticeable decrease in acceleration.
  • Additionally, the transmission may fail to engage or disengage properly, and there may be a delay in the vehicle’s response to acceleration or deceleration.

The automobile fault code P2668 can be caused by a faulty fuel mode indicator lamp, open or shorted harness, or poor electrical connection.

  • The automobile fault code P2668 can be caused by a faulty Fuel Mode Indicator Lamp.
  • It can also be caused by an open or shorted Fuel Mode Indicator Lamp harness.
  • Additionally, a poor electrical connection in the Fuel Mode Indicator Lamp circuit can also trigger this fault code.

Below are the possible fixes for the automobile fault code p2668, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code p2668, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors.
  • Look for damaged components and broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code P2668 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour.

Therefore, the total cost of diagnosis and fixing the P2668 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time required to fix the issue.

The P2668 code is related to the Fuel Mode Indicator Lamp Control Circuit. The Engine Control Module (ECM) keeps an eye on this circuit. If the circuit is not within the factory specifications, the ECM sets the OBDII code.

This code indicates that there is an issue with the Fuel Mode Indicator Lamp Control Circuit. It is important to address this issue promptly to avoid further damage to the vehicle.

What are the possible causes of the P2668 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the P2668 fault code. This code is caused by a faulty fuel mode indicator lamp, an open or shorted fuel mode indicator lamp harness, or a poor electrical connection in the fuel mode indicator lamp circuit. To fix this issue, you should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can I visually inspect the related wiring harness and connectors to fix the P2668 fault code?

If you’re experiencing the P2668 fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, 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. This fault code is caused by a faulty Fuel Mode Indicator Lamp, an open or shorted Fuel Mode Indicator Lamp harness, or a poor electrical connection in the Fuel Mode Indicator Lamp circuit.

What are the specific steps I can take to check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins to fix the P2668 fault code?

If you’re experiencing the P2668 fault code, start by checking the “Possible Causes” listed above. Then, 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 will help you identify any issues with the Fuel Mode Indicator Lamp harness and circuit, which could be causing the Engine Light or Service Engine Soon Warning Light to turn on.

p2668 error fault code explained

If your engine light is on, it could be due to a faulty fuel mode indicator lamp, an open or shorted harness, or poor electrical connection.

Visually inspect the wiring harness and connectors for damage or corrosion.

Check for broken, bent, or pushed out pins.

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