Malibu Another long running GM name, the Malibu has overcome many changes to be one of the top mid size sedans heading into its eight generation.

Chevrolet Malibu
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Platform: N-, Epsilon, Epsilon II.

2019 Malibu lt. Periodic p219a

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Old July 11th, 2023, 5:57 PM
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Default 2019 Malibu lt. Periodic p219a

Keep having p219a show up. Bank 1 air/fuel ratio Then goes away for a few weeks then comes back. Can reset with disconnecting battery.
dealer says needs new injectors and fuel rail. But everything they tested was good.
curious if anyone else has these issues?
This unit has been a nightmare. New trans axle, new cooler, new battery, replaced a bunch of air related items at the dealer as well.
curently have 104,000 Km on it.
many help would be great without having to spend thousands more on it.
Old July 11th, 2023, 9:06 PM
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Originally Posted by Rsauer
Keep having p219a show up. Bank 1 air/fuel ratio Then goes away for a few weeks then comes back. Can reset with disconnecting battery.
dealer says needs new injectors and fuel rail. But everything they tested was good.
curious if anyone else has these issues?
This unit has been a nightmare. New trans axle, new cooler, new battery, replaced a bunch of air related items at the dealer as well.
curently have 104,000 Km on it.
many help would be great without having to spend thousands more on it.
I'd run a fuel injector cleaner with PEA. Techron and Lucas both have PEA. I've heard Gumout has it now, but don't know. Sounds like dirty injectors to me.
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Rsauer (July 11th, 2023)
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