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EVAP system test?...(small/large leak codes)

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Old 10-09-2006, 12:32 PM
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Default EVAP system test?...(small/large leak codes)
02' A4...
im getting a constan reoccurance of CEL's that point me to a "small AND large leak"...

along with these im getting "secondary incorrect air flow"...

tryed searching...
found two valves may need replacing? which valves and where are they located?

also: read about a EVAP system test? what is this? how do i do it, etc...

the car is running beautifully and the CEL is getting annoying...
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Old 10-09-2006, 04:37 PM
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Default replace the krusty vac lines (2 or 3) thats what i did.
needed nothing further.

start at the intake manifold work your way back to the N249 and hose to N75 etc
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Old 10-09-2006, 05:36 PM
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Default is it this?
<center><img src="http://i33.photobucket.com/albums/d97/killahcortez/DSCF3127.jpg"></center><p>
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Old 10-09-2006, 05:37 PM
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Default or this?
<center><img src="http://i33.photobucket.com/albums/d97/killahcortez/DSCF3126.jpg"></center><p>
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Old 10-09-2006, 07:14 PM
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Default I change the purge valve, gas cap and the check valve and still getting a cel.
I can not get rid of this code: 16825-evap emission control sys. Incorrect flow. P0441 - 002 lower limit exceeded.

Any suggestions.
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Old 10-10-2006, 11:14 AM
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Default look at the intake manifold, see the little hose in front, yank it, if it rips
replace all hoses that look similar under the hood.

heat kills these hoses in about 4 years time e-z
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