T Tyler16 New Member Jul 29, 2009 39 0 0 Aug 13, 2009 #1 Aug 13, 2009 #1 I bought the car with a header leak on the drivers side. its missing a bolt. Could this cause my koer code 91-(o2 sensor lean on left side)?
I bought the car with a header leak on the drivers side. its missing a bolt. Could this cause my koer code 91-(o2 sensor lean on left side)?
