Engine-Codes - Buick - P1441 Buick

P1441 Buick Code - EVAP System Flow During Non-Purge Condition

- Code Popularity: 34,618 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1441 Buick?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty EVAP canister purge solenoid
  • Faulty Fuel Tank Pressure (FTP) sensor

Code Tech Notes





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How to Fix the DTC P1441 Buick?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1441 Buick code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

The Powertrain Control Module (PCM) has detected vacuum flow to the Fuel Tank Pressure (FTP) sensor during a system sealed condition.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • A noticeable fuel odor may result from fuel vapor release

What Does the P1441 Buick Code Mean?

The Powertrain Control Module (PCM) monitors the amount of vacuum/pressure in the EVAP system by monitoring the fuel tank pressure sensor signal. The PCM seals the EVAP system by commanding the EVAP Purge Solenoid OFF and the EVAP vent valve ON. The PCM monitors the fuel tank pressure sensor in order to determine if the EVAP Purge Solenoid is leaking vacuum to the EVAP system.
P1441 Buick Code - EVAP System Flow During Non-Purge Condition

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