Before the cat converter in the exhaust manifold and after the cat converter for bank 1
SOURCE: O2 sensor
On the left front part of the engine, near the bottom, you also have a second one underneather the car right past the engine towards the rear of the car
SOURCE: location of bank 1 sensor 1 o2 sensor
Should be in the manifold on the back side closest to the firewall.
SOURCE: Need locations of o2 sensors in a 04 Ford Escape.
bank 1 sensor 1 is next to the fire wall. on the upper end of the exhaust
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SOURCE: Repalced O2 sensors, mass air flow sensor, and plugs error messag
dpfe velve
small emissions valve with one electrical connnector and three to four vacume lines located near your egr valve. this is a comon fault on fords emmissions system.
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