[SOLVED] P144C Code: Fixing Evaporative Emission System Purge Check Valve Performance

The automobile fault code P144C indicates a problem with the Evaporative Emission (EVAP) system. The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light. The cause of this fault code is a stuck open EVAP canister purge check valve or a damaged EVAP canister purge check valve.

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

The repair time for this issue is estimated to be around 1.0 hour. It is important to address this problem promptly to ensure the proper functioning of the EVAP system.

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

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When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p144c fault code.

  • The symptoms of the automobile fault code p144c include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p144c can be caused by a stuck open EVAP canister purge check valve or a damaged EVAP canister purge check valve.

  • The fault code p144c can be caused by a stuck open Evaporative Emission (EVAP) canister purge check valve, as well as a damaged EVAP canister purge check valve.

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To fix the p144c fault code, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p144c, 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 automobile fault code P144C can be diagnosed and fixed within an estimated repair time of 1.0 hour.

The cost of the repair will depend on the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour.

The P144C fault code indicates a problem with the Evaporative Emission (EVAP) canister purge check valve. The Powertrain Control Module (PCM) tests this valve for a stuck open condition.

The test is performed during minimal boost conditions, once per drive cycle, when specific entry conditions are met. If the fuel tank pressure exceeds a calibrated amount within a specified time during the test, the DTC is set. In simpler terms, this fault code means that there is an issue with the valve responsible for controlling the release of fuel vapors from the EVAP system.

What is the possible cause of the engine light being on or the service engine soon warning light in relation to fault code P144C?

If you’re seeing the engine light or the service engine soon warning light and the fault code is P144C, it could be due to a stuck open Evaporative Emission (EVAP) canister purge check valve or a damaged EVAP canister purge check valve. To fix this issue, start by visually inspecting the related wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. This will help you identify and resolve the problem.

How can a stuck open Evaporative Emission (EVAP) canister purge check valve contribute to the occurrence of fault code P144C?

A stuck open Evaporative Emission (EVAP) canister purge check valve can contribute to the occurrence of fault code P144C. This can cause the Engine Light to turn on or the Service Engine Soon Warning Light to illuminate. The cause of this issue is a damaged EVAP canister purge check valve, which is part of the EVAP canister purge valve. To fix this problem, you should visually inspect the related wiring harness and connectors, checking for any damaged components or broken, bent, pushed out, or corroded connector pins.

What steps should be taken to fix fault code P144C, including inspecting the wiring harness, connectors, and checking for damaged components?

To fix fault code P144C, start by checking the “Possible Causes” mentioned above. Then, visually inspect the wiring harness and connectors related to the issue. Look for any signs of damage and check if any components are broken, bent, pushed out, or have corroded connector pins. This thorough inspection will help identify any issues with the wiring or connectors that may be causing the fault code.

p144c error fault code explained

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to a stuck open Evaporative Emission (EVAP) canister purge check valve or a damaged EVAP canister purge check valve.

To fix this, visually inspect the wiring harness and connectors for any damage, and check for broken, bent, pushed out, or corroded connector pins.

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