2011 Sonata 108K doesn't idle smooth hard to start white exhaust fumes at idle when accelerated have replaced both cam position
sensors ,O2 sensor upstream ,MAP sensor shows too much fuel
low power level on cyl 2 2.4L gas
have no DTC's now have had P0170 P0340+
refueled from near empty with 91 oct non
ethanol some better HELP APPRECIATED!!!
Last edited by dodyhughes; 09-26-2019 at 09:53 PM.