Reality check: engine light is on

[Flip05]

Lol sounds like a troll but Might be a reality check for noob like me. So last weekend I had a Lil fun driving her above my normal daily driving rpm condition then this light came on. What do u guys think?


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[b33lz89]

go to autozone and get it checked out

[Flip05]

Could it just be the O2 sensor?

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[b33lz89]

it could by anything... does the car feel different?

[Flip05]

Nah feels the same

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[captaingamez]

Get

it

checked

[Flip05]

Oww

Kei

Lol

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[USAF EP3]

Oww

Kei

Lol

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You can check it yourself.

Jump pins 4 and 9 on the OBD-II port under the driver side dash. You can't miss it look directly to where your right knee would be. Once you jump those pins with a wire several lights on the cluster will start flashing.

You will want to look at the check engine light. 1 long flash = 10 and 1 short flash = 1 when there's a pause between flash sequences that means it's going to the next code. For example: 2 long flashes and 5 short flashes = Code 25.

Add the flashes together to get your code and come back to us.

[Flip05]

When u said jump pins 4 and 9 with a wire, is it just a single wire? Can I use my multimeter since its got probes which I think is easier to get to the pins

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[b33lz89]

use a paper clip

[Flip05]

Genius! Thats even better

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[tlikethedrink]

easy and free to get it checked at autozone.

[Flip05]

⬆best advice. I dint even know they do it free in auto zone . so the guy ran his scanner and code P0420 came up.



I just passed the emissions a month ago so it couldn't be the cat converter. I'm down to o2 sensor and a/f ratio. I appreciate all your inputs

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[usedep3]

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Based on this pic, I think its either your o2 sensor or cat.

[Flip05]

Based on this pic, I think its either your o2 sensor or cat.

Is there a way to further find out which one is at fault?