F 450 2WD Super Duty V8-6.4L DSL Turbo (2008)
Exhaust Pressure Sensor: Service and Repair
EXHAUST PRESSURE (EP) SENSOR
Removal
1. CAUTION: Make sure the ignition switch is in the OFF position prior to working on the electronic engine controls or the vehicle may be
damaged.
Turn the ignition switch to the OFF position.
2. Disconnect the exhaust pressure (EP) sensor electrical connector and detach the wiring harness C-clip.
3. Remove the EP sensor and tube assembly nut.
4. NOTE: Use a backup wrench on the oxidation catalytic converter (OC)-exhaust gas recirculation (EGR) fitting when loosening the EP sensor and
tube assembly fitting.
Loosen the fitting at the OC-EGR and remove the EP sensor and tube assembly.
Installation
1. Position the EP sensor and tube assembly and finger-tighten the fitting to the OC-EGR.