Check engine light came on today?!?

[Andrew4Supra]

Anyone else experience this? 2021 3.0 Prem. 7,000 miles. K&N filter (not cleaned since install) and JB+. All other items are stock. Thoughts?

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[calmeda1]

Do you have an OBD reader, so that you can post the codes?

 

[AyeBird]

If I had to guess, I think it might be your uncleaned K&N filter or your JB+ causing your CEL…

You’re going to have to give a little more insight on your situation. What were you doing prior to the CEL coming on? Was the car acting abnormal? Anything in particular you noticed before/when the CEL came on? Installing any mods/flashing tune? Help us help you.

 

[Cptnslo]

You need to read the codes. Saying a cel came on with no details is essentially useless. There’s TONS of things that could cause a CeL and without codes it’s like digging for a needle in a haystack

 

[puzzled]

You need to read the codes. Saying a cel came on with no details is essentially useless. There’s TONS of things that could cause a CeL and without codes it’s like digging for a needle in a haystack

Agreed.

This is like me trying to explain something technical to my wife (she's smart) and she starts looking at me like I hadn't taken a shower in days.

 

[Andrew4Supra]

Nothing abnormal. The car runs great. Just started it up today and noticed the check engine light was on. I read the codes for a better idea as to why its come on.

 

[zrk]

Yeah, you definitely need to scan it. Could literally be anything.

 

[Mason]

It’s definitely a faulty dip switch plug. You need a new engine

 

[puzzled]

Nothing abnormal. The car runs great. Just started it up today and noticed the check engine light was on. I read the codes for a better idea as to why its come on.

.. so do you want to share what the code was with us, or was it an embarrassing DTC like you were wearing your underwear backwards?

 

[Sub-MkV]

Suspense is killing me ?

 

[Tsar]

Without pulling codes no one is gonna provide any kinda useful info. Check your gas cap I guess

 

[ta70raiii]

It’s definitely a faulty dip switch plug. You need a new engine

Wouldn't that trigger the Change Engine light?

 

[Andrew4Supra]

I’m having it checked out today… stay tuned.

 

[zrk]

I’m having it checked out today… stay tuned.

Oh, we're tuned. We're tuned for sure.

 

[kanaka]

Gotta love when the Party Light comes on

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