Hello everyone. My car is having an issue and it won’t idle smooth. Almost sounds like it’s missing. The car started out with a p2197 code which was a o2 code. I took my o2 extensions out as what my tuner said and swapped back in my stock coils. Also swapped the o2s side to side. Still the same thing but the code went away and hasn’t been back. I’m changing the spark plugs today and cleaning the maf and throttle body. Any other suggestions? The car has 27k miles.
Thank you
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Thank you
Sent from my iPad using the svtperformance.com mobile app