Question about Ford E-150
Lack of upstream heated O2 sensor bank 1 & bank 2. I would first check for broken or corroded wires to both upstream O2 sensors. If no apparent bad wires O2 sensors are bad.
Posted on Oct 11, 2010
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Posted on Jan 02, 2017
those two codes are for the o2 sensors. both are the upstream sensors on the front and rear banks. so they are desinagted bank 1 sensor 1 and bank 2 sensor 1. them most common cause for this is faulty o2sensors , bad gas and of a poor running engine. so if your car runs good (no misfire) and gas is ok then replace the o2sensor witch is the very most common cause.
Posted on Jan 28, 2010
Testimonial: " Help With Problem But Where Are These O2 Sensor"
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