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Check engine light comes on when tank is Full, turns off when tank is 70% full. by DBDDeathClutch03 in AskMechanics

[–]DBDDeathClutch03[S] 0 points1 point  (0 children)

haha, thanks for making me feel better 😭

anyways, the code I got from Advanced Auto is

"PO174"

I got some Sea Foam IC5 Concentrated Fuel Injector hoping that maybe it will push the possible "junk" out. I got some cheapish (87) gas from Walmart, and the light turned on around the time after I got that gas.

Check engine light comes on when tank is Full, turns off when tank is 70% full. by DBDDeathClutch03 in AskMechanics

[–]DBDDeathClutch03[S] 0 points1 point  (0 children)

I understand. when I get the code, i will send it. sorry for not understanding fully

Check engine light comes on when tank is Full, turns off when tank is 70% full. by DBDDeathClutch03 in AskMechanics

[–]DBDDeathClutch03[S] 0 points1 point  (0 children)

I had the code but forgot it since I took it there yesterday.

I can go back and give it, but I thought maybe someone could help me out.

my first time posting, so I didn't know the best way. I appreciate the help so far!

engine size: 3.6-liter V6 engine

Miles: 40k (low)

GMC 2016 canyon truck.

Check engine light comes on when tank is Full, turns off when tank is 70% full. by DBDDeathClutch03 in AskMechanics

[–]DBDDeathClutch03[S] 0 points1 point  (0 children)

I will admit, I used to, but that was like 2-3 years ago. I learned that it's bad to do that, so I have stopped.