Aftertreatment 1 Hydrocarbon Dosing System

Typical Enabling Conditions Aftertreatment 1 Hydrocarbon Doser Data Valid But Above Normal Operational Range - Most Severe Level Monitor Sequence None Execution Frequency Continuous When Enabling Conditions Met Typical Duration 2 Seconds Dash Lamps MIL CEL Engine Reaction Derate 25 Check as follows. It sprays raw fuel into the exhaust system after the turbo to activate the DPF filter regen process. 12 Volts DC with PWM 100 Duty. Many sensors are used for input to the emission control system. SPN 3251 5 1 Active Engine SAE - Aftertreatment 1 Diesel Particulate Filter Regeneration too Frequent - Condition exists SPN 5397 31 1 Active Engine SAE - Aftertreatment 1 Hydrocarbon Dosing System - Out of calibration SPN 5443 13 7 Page 2 of 5. This is the 7th injector. SPN 5443 Aftertreatment 1 Hydrocarbon Dosing System FMI 7- Mechanical system not responding properly.

Then purges the line with air after the regen is done.

Dpf Hc Absorption High. Aftertreatment Hydrocarbon Injection AHI System Cause Purpose. It sprays raw fuel into the exhaust system after the turbo to activate the DPF filter regen process. Diesel Particulate Filter DPF Warning Lamp. 2015 freightliner cascadia detroit dd15 455hp. Hard Fuel Line Aftertreatment Hydrocarbon Doser Replacement LEU MRU SB258-034 View File.

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Aftertreatment 1 hydrocarbon dosing system. It has a DTC -SPN 5443 Aftertreatment 1 hydrocarbon dosing system FMI7 mechanical system not responding properly. Aftertreatment Hydrocarbon Injection AHI System Cause Purpose. Diesel Particulate Filter DPF Warning Lamp.

Hydrocarbon Dosing Control Modules for Active DPF Regeneration systems. The ECM has a thermal management system where it maintains that heat and this process is all for the DPF. Aftertreatment Unit DPF DEF Doser and SCR 3.

Many sensors are used for input to the emission control system. The fuel turns into a vapor and that vapor starts the chemical reaction which produces heat. For a specific engine manufacturers explanation for codes please.

Not sure how that can be. ECM SPN 5394 Aftertreatment Diesel Exhaust Fluid DEF Dosing Valve MID 128 PSID 90 page 76 ECM SPN 5443 Aftertreatment 1 Hydrocarbon Dosing System MID 128 PPID 329 page 76 ECM SPN 5485 Aftertreatment Diesel Exhaust Fluid DEF Pump Orifice MID 128 PSID 121 page 77. This is performed to aid the ECM with its self diagnostic capabilities.

The Valve Manifold integrates Air Fuel Dosing valves Pressure sensor and Check valves. Group 28 Codes DTCs. I hooked laptop up and to start regen so I can monitor temps and such.

In the aftertreatment system there is a hydrocarbon dosing system where fuel is dosed at a specific temperature. Eliminates the need of injector though a nozzle is used downstream for dosing. SPN 3251 5 1 Active Engine SAE - Aftertreatment 1 Diesel Particulate Filter Regeneration too Frequent - Condition exists SPN 5397 31 1 Active Engine SAE - Aftertreatment 1 Hydrocarbon Dosing System - Out of calibration SPN 5443 13 7 Page 2 of 5.

2015 freightliner cascadia detroit dd15 455hp. My driver was - Answered by a verified Technician We use cookies to give you the best possible experience on our website.

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SPN 5443 Aftertreatment 1 Hydrocarbon Dosing System FMI 7- Mechanical system not responding properly.

More than likely the control valve is stuck closed. Diesel Particulate Filter DPF Warning Lamp. Aftertreatment Hydrocarbon Injection AHI System Cause Purpose. This is performed to aid the ECM with its self diagnostic capabilities. It has a DTC -SPN 5443 Aftertreatment 1 hydrocarbon dosing system FMI7 mechanical system not responding properly. Then purges the line with air after the regen is done. ECM SPN 5394 Aftertreatment Diesel Exhaust Fluid DEF Dosing Valve MID 128 PSID 90 page 76 ECM SPN 5443 Aftertreatment 1 Hydrocarbon Dosing System MID 128 PPID 329 page 76 ECM SPN 5485 Aftertreatment Diesel Exhaust Fluid DEF Pump Orifice MID 128 PSID 121 page 77. 12 Volts DC with PWM 100 Duty. I hooked laptop up and to start regen so I can monitor temps and such.

Parkers Hydrocarbon Dosing System controls the dosing of diesel fuel into the exhaust upstream of the diesel oxidation catalyst to allow efficient regeneration of the diesel particulate filter. The routine is also captured in a csv file and can be downloaded from Product History Viewer for later review if necessary. SPN-5443 16 Aftertreatment 1 Hydrocarbon Dosing System. Not sure how that can be. The system contains the following emission critical ECUs that are monitored. This description represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. Group 28 Codes DTCs.