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| 99taco00tundr... |
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 99taco00tundr... L Plate Warrior

Joined: 25 Jun 2020 Karma :   
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 Posted: 12:41 - 26 Jun 2020 Post subject: check engine light flashes and then stops |
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when idleing truck seems to be a little rough when i excelerate going up hill or when truck seems to be under load i get a flashing reset check engine light on gmc sierra and stablitrack off light on dash if i let off the gas lights go away then end up with po codes 300 and 430 any sugestions as to what could cause this .. also had the truck in for afm lifters all redone under warranty couple months ago on dr side after the work was done i had a missfire in cylinder # 1 it ended up being a bad coil so i changed it and replaced all the plugs at the same time. ____________________ reset check engine light on gmc sierra https://carwrenching.com/how-to-reset-check-engine-light-on-gmc-sierra/ |
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| MarJay |
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 MarJay But it's British!

Joined: 15 Sep 2003 Karma :     
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| 1198 |
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 1198 World Chat Champion
Joined: 24 Jan 2013 Karma :   
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| yen_powell |
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 yen_powell World Chat Champion

Joined: 22 Jun 2008 Karma :   
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| jeffyjeff |
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 jeffyjeff World Chat Champion

Joined: 02 May 2020 Karma :   
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| xX-Alex-Xx |
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 xX-Alex-Xx World Chat Champion
Joined: 12 Sep 2019 Karma :   
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Old Thread Alert!
The last post was made 5 years, 204 days ago. Instead of replying here, would creating a new thread be more useful? |
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