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What does code p2189 and p2187 mean on kia sadona 2006 inspection rejected

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  • Tolo Lausiva Apr 27, 2013

    thank you for the answer

  • Anonymous Mar 18, 2014

    The a/c in my 2006 Kia Sadona runs good but only with a larger fuse than specifed?

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3 Answers

Azrael SRL

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Code p2189 and p2187 = air/fuel mixture too lean on both cylinder banks which in turn generates excessive emissions = failed inspection.
What can cause a lean mixture:
- Incorrect main charge signal
- Intake air system leaking
- Fuel pressure too low
- Volume supply of fuel pump too low
- Mechanical fault in injectors
- PCV valve leaks
- Leaks in exhaust system
- EVAP canister purge valve mechanically faulty (hangs open)
All these must be checked.

Posted on Jul 01, 2010

Testimonial: "thank you for your answers well beyond my spec but now i'll know what the mechanic is talking about sounds like no easy fix"

  • Kia Sedona D Mar 05, 2011

    I had the same codes on my 2006 Kia Sedona. After reading another post I found out that the main cause is an air leak usually in the intake system. Pull the main hose between the mass air and thottle body and it had cracks in it allowing air to enter the system. Bought a new air intake hose from the local Kia dealer for around $50.00 and it made all the codes go away.

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Evanie Ford

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I have p2187 system too lean at idle bank 1
P2189 system to lean at idle bank2
P0151 o2circuit low voltage bank2, sensor 1

Posted on Dec 28, 2019

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Michael Galleher

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Dwhen I got these codes in that same vehicl3 it turned out there was a crack in the rubber hose that goes from the air filter to the engine block. Once I replaced it ($50 part and the job only needed a phillips screwdriver and needle nosed pliers and 10 min). I pulled my battery which reset the light, then drove 100 mi to re-ready the computer and it sailed through inspection

Posted on May 18, 2015

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Code p2189 code p2187 code p2189pd code 2187pd

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P2187: Sys Too Lean at Idle Bank1

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P0174 - System too lean Bank 2
P2189 - System too lean at idle Bank 2
P2195 = HO2S Signal Biased/Stuck Lean (Bank 1 Sensor 1)
P2270 = HO2S Signal Stuck Lean (Bank 1 Sensor 2)
P2272 = HO2S Signal Stuck Lean (Bank 2 Sensor 2)

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Check engine code p2189

Hi,
What year is this vehicle and the model also?
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