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Unread 08-02-2009, 09:17 PM   #1
Travis873o
Registered User
1996 ZJ 
 
Join Date: May 2008
Location: Knoxville, TN
Posts: 926
p0441 code

after takin the 96 zj out muddin i got a p0441 code, checked it and it said. Evaporative Emission Control System Incorrect Purge Flow.
any ideas?

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Unread 08-03-2009, 03:51 PM   #2
wjcando
Registered User
1999 WJ 
 
Join Date: Jun 2008
Location: Virginia
Posts: 78
Your emissions system isn't doing it's job. It may or may not have anything to do with mudding, or age of the vehicle, or something else. I get that code regularly and if I don't get it fixed by Nov I'll fail the emissions test.

First step I was told is to make sure fuel cap is on correctly, then clear the code. Did that, code came back in a few weeks. Next replaced the fuel cap, cleared the code, came back in a few weeks. Checked all the vacuum hoses and fittings, replaced one that seemed pretty old, cleared the code, came back in a few weeks.

Now a cleared code will come back in just a few days, so it's getting worse. I may next replace the evac vacuum pump that sits behind the driver side headlight.

But you might want to start with fuel cap and checking all your evap system hoses.
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Frank "it-takes-a-village-to-wheel-a-WJ"
McLean, VA
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