by autoepcsoft4444@gmail.com | Jun 24, 2026 | Detroit Diesel
Removal of the Hydrocarbon Doser Block Feed Line 1. Shut off engine and apply the parking brake, chock the wheels, and perform any other applicable safetysteps.2. Disconnect the batteries. Refer to OEM procedures.3. Remove the Hydrocarbon (HC) doser block feed line...
by autoepcsoft4444@gmail.com | Jun 24, 2026 | Detroit Diesel
Description and Operation of the Hydrocarbon Fuel Doser Block The Hydrocarbon (HC) fuel doser block assembly and related parts are located on the left side of the engine. TheHC fuel doser block assembly meters diesel fuel to the HC fuel doser injector valve to...
by autoepcsoft4444@gmail.com | Jun 24, 2026 | Detroit Diesel
Removal of the Hydrocarbon Fuel Doser Injector Valve FuelSupply Line 1. Shut off engine and apply the parking brake, chock the wheels, and perform any other applicable safetysteps.2. Open the hood. To avoid injury from electrical shock, use care when connecting...
by autoepcsoft4444@gmail.com | Jun 24, 2026 | Detroit Diesel
Description and Operation of the Hydrocarbon Fuel DoserInjector Valve The Hydrocarbon (HC) Fuel Doser Injector Valve (FDV) is mounted in the exhaust pipe that is mounted to theturbocharger or the Axial Power Turbine (APT). Fuel injected from the FDV will atomize with...
by autoepcsoft4444@gmail.com | Jun 24, 2026 | Detroit Diesel
Removal of the Hydrocarbon Doser Coolant Lines – DD13 andDD15AT 1. Shut off the engine, apply the parking brake, chock the wheels, and perform any other applicable safetysteps. 2. Disconnect the batteries. Refer to Original Equipment Manufacturer (OEM)...
by autoepcsoft4444@gmail.com | Jun 24, 2026 | Detroit Diesel
Resetting the Diesel Particulate Filter Ash Accumulators This service routine synchronizes the ash volume between the Common Powertrain Controller (CPC) and theAftertreatment Control Module (ACM) and resets the Diesel Oxidation Catalyst (DOC)/Diesel Particulate...
