Code P0441?

[Razzaa]

Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description

EVAP Purge Flow Monitor Fault Conditions
Cause

Engine running in closed loop, ECT sensor over 170°F, engine at idle speed for 2 minutes, Low Fuel not on, MAP sensor input under 15 7" Hg, altitude less than 8000 ft , PTO not enabled, then the PCM detected that no airflow was present through the EVAP system in the test period Refer to Monitor Test, code repair chart to test the code Note: The stricter EVAP purge flow test is used to verify the EVAP system functionality on vehicles with the LDP

I just pulled this code off my truck. No CEL on though. Can someone please give me an explanation as if I were a child lol Thanks.

 

[lonewolf2873]

That has been the notorious gas cap code on many past vehicles. Not sure if it still rings true.

 

[Razzaa]

That has been the notorious gas cap code on many past vehicles. Not sure if it still rings true.

K I will try the gas cap. Thanks

 

[Arctic-Rodz]

Mine came up with that code a few months ago. Read it on my T1000. I tightened the gas cap and cleared it on the tuner and i haven't seen it anymore