Thanks Richard. I will try the throttle body trick.

Best - yeah it’s the OEM hose. Not cracked as best I can tell. I have spring clips and hose clamps on all the hoses so I don’t think anything is loose. New gas cap which is tight and I clean the fuel spout.

I haven’t checked the line going back towards the bulkhead though I will inspect that and the intake tomorrow.

thanks for the tips guys!

 

Used some compressed air as Richard suggested. Closer inspection and I see another OEM hose clamp further back but it is really hard to get to. Intake hose seems like it has a lot of flex at the connector. Is this normal?

Will disconnect everything and reconnect and clear codes tomorrow.


Seems like this is loose but not sure if that is normal due to the type of fitting?

 

Maybe you need the canister

 

I think I might have figured it out. Looking for folks to confirm. I was inspecting the engine after wheeling and found that the MAF pipe was disconnected from the intake. No problem I thought. I pushed it back on and went to tighten the hose clamp and found it was stripped! So here’s my working theory, MAF has been been loose and I don’t notice it. Not a good seal so extra air coming in where it shouldn’t be. Could this cause the P0441 error?

 

Unlikely. p0441 is specific to purge and evaporative emissions issues.

A leaking MAF would be more likely to set a lean condition code (p0171/p0174)

 

*Sigh*. Looks like I will need to crawl back behind the intake and inspect the hose and connections back there like Best indicated. I was hoping to avoid this because it’s a PIA to get to.

 

Have you checked your connections at the purge canister?
I believe it’s in the middle of the disco look above the frame on the passenger side
while I was painting my frame I noticed it
you can do a smoke test and that will tell you if there is any leaks from purge valve connection to the rear canister.

 

That back hose clamp,circled in red, is just there not tight it could part of the problem

 

Connectors all have spring clips on them so this should be the case. Did a smoke test about 8 months ago and didn't find any issues there. Everything has been inspected except the hose leading to the back. Per Richard, I need to replace that hose clamp.

 

The line down by the bell housing has a nipple on it with a green cap from the factory. Maybe that is your issue.