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Check engine light · Engine codes

P219A: Bank 1 Air-Fuel Ratio Imbalance.

Powertrain · GenericP219A
Get it fixed soon
What it means

One or more cylinders on bank 1 are getting a different air-fuel mix than the others.

How serious

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

Where a shop starts

Clogged or leaking fuel injector. Then: vacuum leak at one cylinder; faulty O2 sensor.

Owners named P219A in 60 complaints to the U.S. government, most often on the Honda Pilot.

Models that report it most

Complaints that name P219A, by model. Raw counts, not a failure rate: popular models get more complaints. Tap a model for its years, mileage and what owners say fixed it.

P219A by model: P219A Honda Odyssey (16) · P219A Honda Pilot (16)

The details

What P219A means

One or more cylinders on bank 1 are getting a different air-fuel mix than the others. The engine may idle rough or hesitate.

Can I drive with P219A?

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

40% of the owner complaints that name P219A also say the car shakes, runs rough or misfires. A complaint can describe more than one problem, so this doesn't prove the code caused it.

Common causes of P219A
  • Clogged or leaking fuel injector
  • Vacuum leak at one cylinder
  • Faulty O2 sensor
  • Carbon on the intake valves

A shop should confirm the cause with a scan and tests before replacing parts.

What owners describe
  • Shakes, runs rough or misfires: 40% of complaints
  • Stalls or shuts off: 18% of complaints
  • Loses power or goes into limp mode: 17% of complaints
  • Warning lights and electrical faults: 13% of complaints

Share of complaints naming the code whose text also mentions each problem.

Model years that report P219A most

2019 Honda Odyssey (15), 2016 Honda Pilot (6), 2019 Honda Pilot (6), 2017 Honda Pilot (3), 2013 Ram pickup (2), 2019 Honda Fit (2).

Related codes

P219B P2198 P219C P219D P2196 P219E P2195 P219F

Quick answers

What does P219A mean?

Bank 1 Air-Fuel Ratio Imbalance. One or more cylinders on bank 1 are getting a different air-fuel mix than the others. The engine may idle rough or hesitate.

Can I drive with P219A?

Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.

What causes P219A?

Clogged or leaking fuel injector; Vacuum leak at one cylinder; Faulty O2 sensor; Carbon on the intake valves.

Counts: NHTSA owner complaints whose text names P219A. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.

Updated · Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data

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