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Check engine light on with codes

Customer Question
Check engine light on...

Check engine light on with codes p0154,p0300,p0305,p0303,p0301. Recently had theses

Mechanic's Assistant: Does the light stay on, or does it blink?

Light stays on recently replaced all spark plugs coil on number 1 and 2oxygen sensors. Still getting these codes.

Mechanic's Assistant: What is the model/year of your Kia?

2006 Sorrento ox 6 cylinder

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

Replaced all 6 spark plugs coil on number1 and 2 oxygen sensors upside and on passenger side before catalytic converter

Submitted: 8 months ago.Category: Kia
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Answered in 25 minutes by:
12/14/2017
Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago
David Craig
David Craig, Auto Mechanic
Category: Kia
Satisfied Customers: 6,039
Experience: Owner/Mechanic at 3D Automotive
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Hi my name is ***** ***** I'll be more than happy to assist you, Please allow me a few minutes to review your information. Thank you.

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Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago

the first thing you need to do is a compression test on all of the cylinders

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Customer reply replied 8 months ago
Ok
Customer reply replied 8 months ago
How do I do the test?
Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago

you need a compression test gauge first. do you have one?

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Customer reply replied 8 months ago
I do
Customer reply replied 8 months ago
My husband is not here he is still at work just wanted to know what we have to do
Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago

remove the spark plugs. screw the fitting on the end of the compression gauge hose into the spark plug hole. crank the engine 5 revolutions. then see what each cylinder reads and let me know

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Customer reply replied 8 months ago
Do you have any idea what could be wrong? The car is not torn apart at this time. Had to put it back together it's my only transportation to work. ��
Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago

there's many possibilities. first and foremost is a compression test to get a general health check of the engine

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Customer reply replied 8 months ago
Ok I can't do that right now. What else do we do after the compression test
Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago

Let me know when the compression test is done and depending on the readings will determine what is next.

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Customer reply replied 8 months ago
Ok thank you
Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago

you're welcome. This will stay open for as long as needed.

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Customer reply replied 8 months ago
Thanks anyway I will have to take it to the dealership at this point. No need to wait for anything else I give up
Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago

ok, good luck

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Customer reply replied 8 months ago
Thanks
Kia Mechanic: David Craig, Auto Mechanic replied 8 months ago

you bet

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