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06-21-2021, 07:04 PM
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#1 |
 
Drives: 2020 ss Join Date: Nov 2019
Location: Maryland
Posts: 94
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Runs rich/rough after filling the fuel tank
Hello.
I'm having an issue where my car is running rich/rough after filling the fuel tank. I only fill it until the pump stops,I don't keep pumping after it stops once. When I start it after filling the fuel,the air/fuel gauge is around 10.1 and the car is running rough until I Rev it. I did have a p0459 purge valve code at one time but replaced it and code has not returned. Any Idea what else can cause this? Vehicle is a 20 ss with heads,cam and hi ram.
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2020 Camaro SS
Heads,cam,hi-ram,hhp tcm Last edited by Purplt1; 06-22-2021 at 02:34 AM. |
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06-21-2021, 08:02 PM
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#2 |
  
Drives: 2017 ZL1 Join Date: Jan 2017
Location: NJ
Posts: 905
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Do you have HP Tuners logging capability?
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2017 Camaro ZL1 Coupe M6 (847whp Dynojet on 93)
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06-22-2021, 02:33 AM
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#3 | |
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Drives: 2020 ss Join Date: Nov 2019
Location: Maryland
Posts: 94
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Quote:
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2020 Camaro SS
Heads,cam,hi-ram,hhp tcm |
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06-22-2021, 05:46 AM
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#4 |
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Drives: 2017 ZL1 Join Date: Jan 2017
Location: NJ
Posts: 905
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I would say it's your purge valve again from symptoms but log your normal stuff, WBO2, plus any fuel stuff that seems associated with that system and post it. Not sure what you will see. Obviously you'll want to recreate the scenario and post a log with it happening and a regular turn on prior to fill up.
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2017 Camaro ZL1 Coupe M6 (847whp Dynojet on 93)
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