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Code P0441, EVAP solenoid

Tiny
PETER ANDRULIS
  • MEMBER
  • 2001 AUDI A4
  • 1.8L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 186,000 MILES
I replaced my evap solenoid with a factory number replacement from Bosch. Checked the codes, erased them and it seemed to work as the light stayed off for a while. A week or so after (not too many miles driven, maybe 15 or so) the check engine light came on again for the same item I thought I fixed; P0441. So I erased it again drive about 10 miles, light stayed off so far. How do I really check this device to know I really fixed it or am between drive cycle testing?
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Wednesday, June 10th, 2020 AT 11:44 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,164 POSTS
Hi,

The part may not be the problem. However, the code may point you there. Can you tell me the specific code that was found so I can research it for you?

Let me know.
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Wednesday, June 10th, 2020 AT 9:41 PM
Tiny
PETER ANDRULIS
  • MEMBER
  • 25 POSTS
It was PO441. I drove it a few miles the other day and no light yet.
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Thursday, June 11th, 2020 AT 1:04 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,164 POSTS
That is related to the canister purge regulator, so hopefully it's fixed. If it comes back, let me know and we'll try to diagnose what could be the cause.

Take care,
Joe
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Thursday, June 11th, 2020 AT 8:54 PM

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