2008 F-150 STX 96,000 miles throwing codes for #5 & #6 cylinder misfire. Changed OOPs and plugs on tbese cylinders twice. Will hardly run uphill. Could catalytic converter be plugged? 4.6 liter engine. Have cleaned MAF sensor & am baffled.
Address: 5696 Mother Lode Dr, Placerville, CA 95667, USA
Richard Artz | Sep 26, 2018
Have you checked the fuel filter? The cat could be worn out
Amanda Moore | Sep 26, 2018
Give them a call, Patrick is great to talk to.
Thanks! Your answer is awaiting moderation.