What is DOC inlet temperature sensor?

Inlet and outlet temperature sensors are typically associated with the DOC to monitor exhaust temperatures. A control module determines whether a difference based on the inlet temperature signal and the outlet temperature signal is below a difference threshold when an exhaust temperature is within a threshold range.

Where is the DOC outlet temperature sensor?

Diesel Oxidation Catalyst (DOC) Outlet Temperature Sensor (Located on the Aftertreatment Device).

What should DOC inlet pressure be?

The DOC inlet pressure should be less than 9 kPa (1.3 psi) for a 1-Box ATS and 12 kPa (1.74 psi) for a Two-Box ATS.

What is the minimum exhaust temperature required for doctor operation?

The diesel oxidizing catalyst (DOC), similar to a catalytic converter in gasoline engines, requires at least 662 °F to function. An exhaust cooler reduces the temperature of the exhaust gas before it exits the tailpipe.

Where is the DPF outlet temperature sensor located?

• Diesel Particulate Filter (DPF) Outlet Pressure Sensor (Located in the Diesel Particulate Filter Sensor Box). • Selective Catalytic Reduction (SCR Catalyst) Inlet Temperature Sensor (Located in the exhaust flow near the Selective Catalytic Reduction).

Where is the temperature sensor located on a DD15 engine?

Located after the DPF that is within the aftertreatment device. Temperature measured at the outlet of the after-treatment system that is installed within the exhaust system of the vehicle.

Where is the SCR outlet temperature sensor located?

• Selective Catalyst Reduction (SCR) Outlet Temperature Sensor (Located in the exhaust flow near the Selective Catalytic Reduction). • Selective Catalytic Reduction (SCR Catalyst) Inlet NOx Sensor (Located in the Diesel Particulate Filter Sensor Box).

When is the Doc inlet pressure considered plugged?

If the DOC inlet pressure starts out high above 10 kPa (1.45 psi) and decreases during the parked regen, this indicates the DPFs were plugged and the parked regen cleared them. Go to step 8. b. If the DOC inlet pressure starts above 8 kPa (EPA10, 1.16 psi) and stays high, the DOC is considered plugged. Go to step 9. 3 01-15