2003 Ford E-Series Van Repair Question
Asked on February 13, 2013
Ford E-Series Van Exhaust Problem
Engine has 2 Oxygen sensors, one on the right exhaust and one on the left exhaust, which is the upper and which is the lower O2 sensor?
Answer
Replied on February 13, 2013
they have 4 not 2 2 are pre adn 2 are postfront and rear of converters bank1 is left side bank 2 right