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P0441 Code #495288 10/12/09 01:35 PM 10/12/09 01:35 PM
Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan F Fluffy OP Automotive STD Guy
Fluffy OP Automotive STD Guy F Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan	P0441 (M) Evap Purge Flow Monitor Insufficient or excessive vapor flow detected during evaporative emission system operation. Any techs familiar with this? The past two times I've gotten gas, the light has come on instantly. I just reset it and go. What is the normal cause of this code, or what could it be? Thanks.

Re: P0441 Code [Re: Fluffy] #495289 10/12/09 02:00 PM 10/12/09 02:00 PM
Joined: Sep 2009 Posts: 186 Kansas, USA V Venomvpr900 member
Venomvpr900 member V Joined: Sep 2009 Posts: 186 Kansas, USA	What are we working on? 1987 D-100 SWB, 390hp/360ci Mopar Performance Crate, Built 998 trans, 9.25 axle with sure-grip and 3.92's - 3960#'s with driver 13.83 @ 96.36 1.98 60 ft 2003 Dodge Ram 2500 HD 5.7ltr HEMI!!!

Re: P0441 Code [Re: Venomvpr900] #495290 10/12/09 02:01 PM 10/12/09 02:01 PM
Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan F Fluffy OP Automotive STD Guy
Fluffy OP Automotive STD Guy F Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan	2002 Dodge Durango, 4.7L.

Re: P0441 Code [Re: Fluffy] #495291 10/12/09 02:01 PM 10/12/09 02:01 PM
Joined: Jan 2003 Posts: 21,059 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,059 Niles , Ohio	Is the car running when you get gas?Thats what usually sets that code when you get gas.Sometimes a bad cap will cause it also.Rocky Chrysler Firepower

Re: P0441 Code [Re: therocks] #495292 10/12/09 02:05 PM 10/12/09 02:05 PM
Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan F Fluffy OP Automotive STD Guy
Fluffy OP Automotive STD Guy F Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan	Quote: Is the car running when you get gas?Thats what usually sets that code when you get gas.Sometimes a bad cap will cause it also.Rocky Nope, never have it running. I just replaced the cap not too long ago.

Re: P0441 Code [Re: Fluffy] #495293 10/12/09 02:17 PM 10/12/09 02:17 PM
Joined: Jan 2003 Posts: 21,059 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,059 Niles , Ohio	Do you fill it?Lots of people overfill.That and some pumps are too fast and the emissions setup smells it and pops the light.Rocky Chrysler Firepower

Re: P0441 Code [Re: therocks] #495294 10/12/09 02:21 PM 10/12/09 02:21 PM
Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan F Fluffy OP Automotive STD Guy
Fluffy OP Automotive STD Guy F Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan	Negative. Both times I've filled from just above E to slightly above 3/4. I rarely fill it anymore.

Re: P0441 Code [Re: Fluffy] #495295 10/12/09 02:24 PM 10/12/09 02:24 PM
Joined: Jan 2003 Posts: 21,059 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,059 Niles , Ohio	Next time put the gas in slow and see if it sets.Not a lot to check unless it sets all the time like everytime its cleared and resets the code withouth gassing up.Did this happen after the cap change?Rocky Chrysler Firepower

Re: P0441 Code [Re: therocks] #495296 10/12/09 02:51 PM 10/12/09 02:51 PM
Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan F Fluffy OP Automotive STD Guy
Fluffy OP Automotive STD Guy F Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan	Negative, it's only recent. Over the past month, two gas trips. Cap was replaced months back.

Re: P0441 Code [Re: Fluffy] #495297 10/12/09 03:29 PM 10/12/09 03:29 PM
A Anonymous Unregistered
Anonymous Unregistered A	1. faulty fuel cap or... 2. a leak in the miles of tubing. theres a procedure that uses smoke to test the line(s). expensive and time consuming. good luck.

Re: P0441 Code [Re: Fluffy] #495298 10/12/09 03:59 PM 10/12/09 03:59 PM
Joined: Jul 2004 Posts: 1,868 Cali S.B Sub95 super gas
Sub95 super gas Joined: Jul 2004 Posts: 1,868 Cali S.B	is it the correct gas cap?

Re: P0441 Code [Re: Sub95] #495299 10/12/09 04:45 PM 10/12/09 04:45 PM
Joined: Sep 2009 Posts: 186 Kansas, USA V Venomvpr900 member
Venomvpr900 member V Joined: Sep 2009 Posts: 186 Kansas, USA	POSSIBLE CAUSES -EVAP Canister -Wiring Harness Intermittent -EVAP Purge Hose (Canister to Fuel Tank) -EVAP Purge Hose (Solenoid to Canister) -EVAP Purge Solenoid Vacuum Supply -EVAP Purge Solenoid (Leaky/Stuck Open) -EVAP Purge Solenoid (Stuck Closed) Hope this helps 1987 D-100 SWB, 390hp/360ci Mopar Performance Crate, Built 998 trans, 9.25 axle with sure-grip and 3.92's - 3960#'s with driver 13.83 @ 96.36 1.98 60 ft 2003 Dodge Ram 2500 HD 5.7ltr HEMI!!!

Re: P0441 Code [Re: Sub95] #495300 10/12/09 09:38 PM 10/12/09 09:38 PM
Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan F Fluffy OP Automotive STD Guy
Fluffy OP Automotive STD Guy F Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan	Quote: is it the correct gas cap? Yep.

Re: P0441 Code [Re: Venomvpr900] #495301 10/12/09 09:38 PM 10/12/09 09:38 PM
Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan F Fluffy OP Automotive STD Guy
Fluffy OP Automotive STD Guy F Joined: Sep 2005 Posts: 13,049 The Thumb O' Michigan	Quote: POSSIBLE CAUSES -EVAP Canister -Wiring Harness Intermittent -EVAP Purge Hose (Canister to Fuel Tank) -EVAP Purge Hose (Solenoid to Canister) -EVAP Purge Solenoid Vacuum Supply -EVAP Purge Solenoid (Leaky/Stuck Open) -EVAP Purge Solenoid (Stuck Closed) Hope this helps Cool, thanks.

Re: P0441 Code [Re: Venomvpr900] #495302 10/12/09 09:43 PM 10/12/09 09:43 PM
Joined: Dec 2003 Posts: 5,314 Carstairs, Alberta, Canada dave571 master
dave571 master Joined: Dec 2003 Posts: 5,314 Carstairs, Alberta, Canada	Quote: POSSIBLE CAUSES -EVAP Canister -Wiring Harness Intermittent -EVAP Purge Hose (Canister to Fuel Tank) -EVAP Purge Hose (Solenoid to Canister) -EVAP Purge Solenoid Vacuum Supply -EVAP Purge Solenoid (Leaky/Stuck Open) -EVAP Purge Solenoid (Stuck Closed) Hope this helps That code is not set by a loose gas cap or a leak in the system. (YOu would have leak codes then ie gross leak detected, small leak detected, etc..) That code is usually set by a problem in the purge system. If you pull off the canister and solenoid, you will likely find it is full of dirt. It may work if you clean it, but you may have to replace it all, or just some pieces.

Re: P0441 Code [Re: dave571] #495303 10/12/09 09:54 PM 10/12/09 09:54 PM
Joined: Jan 2004 Posts: 709 Henderson Kentucky 0791challenger super stock
0791challenger super stock Joined: Jan 2004 Posts: 709 Henderson Kentucky	I might be mistaken, but I think that is the code we had on a durango R/T and a 4.7 dakota. Its just a piece of hose about 2 inches long under the hood that is dry rotted. I will check to make sure and let you know if you want. Josh

Re: P0441 Code [Re: 0791challenger] #495304 10/12/09 10:00 PM 10/12/09 10:00 PM
Joined: Jan 2003 Posts: 27,421 Balt. Md 3 383man Too Many Posts
383man Too Many Posts 3 Joined: Jan 2003 Posts: 27,421 Balt. Md	That code is set when it fails the purge flow test. The PCM will turn on the purge solenoid to let the vacum at the purge pull the vapors from the canister into the eng and the PCM looks for a change in the 02 and short term memory. It could be as simple as no vacum to the purge solenoid or a good size leak on the evap system. It has to pass this test before the PCM will run the evap leak test. Ron

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