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Post Info TOPIC: P219A code on my 2017 Silverado 5.3
jim larson


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P219A code on my 2017 Silverado 5.3
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This code keeps popping up. then check engine light  disappears for a while.  Then light comes back on.  What do I do?

it says there is an imbalance in the #1 bank. Is there something simple to do?  Looking at a video online it looks like there could be several causes.  I don’t feel comfortable with checking any of them.  NAPA GUY SAID To CLEAN THE INJECTORS FIRST AND GO FROM THERE.

Can I just throw something in the gas tank?  70000 miles



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Jim L

Lake City
jim larson


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Is this sake oil?   https://www.amazon.com/Chevron-Techron-Multi-car-Pack-Treatment/dp/B01H2MFERW/ref=sr_1_12?crid=1U3U55MY6VMWO&dib=eyJ2IjoiMSJ9.uL7GUP9Wmk2_U3jvu04D_37gzWwwlMWlFnpkyTtPDvasN84nVyDHilBICGCT_qskWsQS5MT9UhN6JHsYE0FU18GywdKwhkNlxmxqjeN5ZUX28zb_-YGMbo3okqZyNSzmH2PFgGbGBeYXYGMzMZareFOLZWhD_LTONqgiudgISKKOH73mDDGWb_f93hIVb6FrYPq-rYdrq1juC53XVW5xnXhIaai9mMTpS3zMLyTKCBEvA_6ovlBPQ4yfmeig6YxiHBhhsFJZbhtHrbkJFc4GKNPkmPd6wYthuFzCOx83sgs.eXK_I6bdxWwfZGR9N1ByMhXv7Jn_KqRlmToZCi2m12M&dib_tag=se&keywords=Techron&qid=1710862113&sprefix=techron%2Caps%2C113&sr=8-12

maybe a little marvel mystery oil.



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Jim L

Lake City
Derek69SS


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I've used "sea foam" successfully on some gunked up carbureted stuff. My 4-wheeler seems to need a half-can in the tank once a year.

2017 has direct-injection, so the injectors are like 2000psi going into the combustion chamber directly.
The direct-injected engines are known for getting carbon build-up on the intake valves, since there's no fuel running across them to wash the carbon off.

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Derek Kiefer - Mantorville, MN

69 Malibu Pro-Touring stroker LS1-383/T56 - 69 SS396-325/3spd project
Jon H


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Techron was always recommended to me by the local Chevy dealer.



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'69 Convertible,  Lemans Blue, 454, 200 4R, 12 Bolt. 

Jon H.  Lino Lakes
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