In Tank Fuel Pressure Sensor, bad, Simple P0441 code, twice

[Uparms]

In Tank Fuel Pressure Sensor, bad, Simple P0441 code, twice.

I cleared the code 2 X, made an appt with dealer, they evaluated , code came back and new parts on the way this week.
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The P0441 code means that the control module has detected a leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0441 code.

P0441 CHRYSLER Meaning
The Powertrain Control Module (PCM) tests the Evaporative Emission (EVAP) system for the following conditions:
- Large and small leaks
- Excess vacuum
- Purge flow during non-commanded conditions
- Fuel Level and Fuel Pressure sensor faults
- EVAP Purge and Vent Valve faults
The PCM monitors the Fuel Tank Pressure sensor in order to determine the level of vacuum/pressure in the EVAP system. The PCM commands both the EVAP Purge Solenoid and the EVAP Vent Valve ON when the conditions are met in order to apply an engine vacuum to the EVAP system. The PCM commands the EVAP Purge Solenoid OFF once the system has reached a predetermined level of vacuum. This test verifies if a vacuum can be achieved in the EVAP system. Failure to develop a vacuum may be caused by a large leak or a restriction.

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[atswilson]

I am having this code on my gladiator. I have done a smoke test and the only place I am getting smoke is the canister Fresh air filter under the rear driver side fender. When I clamp off the hose going to the filter, there is no more flow through the smoke machine. I changed the purge solenoid and the gas cap. The engine light went out for a few days then came back on. Should I try changing the ESIM next or the FTP sensor? Any help is appreciated. Thank you

 

[dawghauler]

Check the sealing surface on the filler neck also. I went through this code and never could get it to stay gone ended up that the filler neck sealing surface wasn’t flat I guess to many times of banging the gas nozzle against it

 

[Vincent]

Mine was egr valve. Had it replaced by dealer.

 

[atswilson]

Check the sealing surface on the filler neck also. I went through this code and never could get it to stay gone ended up that the filler neck sealing surface wasn’t flat I guess to many times of banging the gas nozzle against it

I put some white grease around the seal on the gas cap and deleted the code. So far it has lasted 2 days. No light yet. Keep my fingers crossed. Thank you

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