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Discussion Starter · #1 ·
I have a 2017 WRX with 60K miles. Just changed the spark plugs. Now have a check engine light.

Going to get a scan tool and hopefully isolate the problem plug. However, I can't find a cylinder / spark plug diagram for the 2015+ WRX. Can anyone verify specific location of 1, 2, 3, and 4th cylinders / plugs?

Thanks for the help.
Chad
 

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Discussion Starter · #4 ·
Didn't have a scan tool on hand. Went and purchased one. Wasn't an issue with the spark plugs at all.

Had to remove intake to get at the passenger side plugs. I reconnected the intake sensor, but still got a check engine light with intake air temperature sensor codes. Reset the codes and no problems since.
 
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