Another Tighten Gas Cap Question

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Old Jul 17, 2019 | 04:26 PM
  #1  
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Another Tighten Gas Cap Question

Can the purge valve solenoid fail without a code being generated?
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Old Jul 17, 2019 | 04:32 PM
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From: SE Wisco
Do you get the error message "tighten fuel cap"? I don't recall a CEL thrown with mine but its been awhile.
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Old Jul 17, 2019 | 04:39 PM
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i got a tighten gas cap without a CEL on a 2007 TL
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Old Jul 17, 2019 | 05:01 PM
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From: SoCal, CA
100% yes
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Old Jul 17, 2019 | 05:12 PM
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Yes, but no code.
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Old Jul 17, 2019 | 05:12 PM
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Originally Posted by SurfSide
Yes, but no code.
still bad.. so replace the purge valve with an OEM one and call it a day
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Old Aug 23, 2019 | 09:04 AM
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Originally Posted by thoiboi
still bad.. so replace the purge valve with an OEM one and call it a day
Maybe a stupid question, but what if you do not replace the purge valve and still get the tighten gas cap message forever? Will not replacing the purge valve hurt the car?

thank you
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Old Aug 23, 2019 | 09:15 AM
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From: SE Wisco
I mean if $100 is worth the annoyance of it sure. I don't think it will hurt anything. Maybe gas mileage would be affected, not 100% sure though.
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Old Aug 23, 2019 | 09:16 AM
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Originally Posted by BreezyTL
I mean if $100 is worth the annoyance of it sure. I don't think it will hurt anything. Maybe gas mileage would be affected, not 100% sure though.
Thanks for your response.
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