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Volvo 670, fault code son 5443 fmi 8. 2012 Volvo 670, Just…

Volvo 670, fault code...

Volvo 670, fault code son 5443 fmi 8.

Mechanic's Assistant: What's the make/model/year of your truck? Engine type?

2012 Volvo 670

Mechanic's Assistant: Are you fixing your truck yourself? What have you tried so far?

Just trying to find out if it will die on road or I can go 500 miles home

Mechanic's Assistant: Anything else you want the truck mechanic to know before I connect you?

Check light was on before,cit went off.engine fault light on

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Answered in 1 hour by:
8/5/2017
Technician: Andy, Truck Diagnostic Technician replied 5 years ago
Andy
Andy, Truck Diagnostic Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3,030
Experience: International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter
Verified

Hi there . My name is ***** ***** What engine is this ?

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Customer reply replied 5 years ago

D13

Technician: Andy, Truck Diagnostic Technician replied 5 years ago

Ok thanks for info . Looking up now

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Technician: Andy, Truck Diagnostic Technician replied 5 years ago

Are you certain about those fault numbers ? I cannot seem to find them in the list of possible faults for this engine?

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Customer reply replied 5 years ago

Yes I have a print ou. First the check light came on and then later the engine fault light. I had an oil change done and they ran it and gave me a printout spn 5443 fmi 8. After treatment 1 hydrocarbon dosing system - fuel leakage. After that the check light went out but the engine fault light remained

Technician: Andy, Truck Diagnostic Technician replied 5 years ago

Perhaps air trapped in system from doing the fuel filters. The engine light might stay on for 3 key cycles before it goes out.

I am assuming they just replaced the fuel filters

You would need a scanner to be able to clear the fault right now and get the light to go out . Or perhaps force a regen to get the light out but in order to do that you need a soot lamp on in the dash or a scanner again to be able to force one without a soot light on.

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Customer reply replied 5 years ago

Not sure why my response did not show. Oil change was done after light were on. After driving a few hours stopped to see if the could check for codes and decided to get oil done at the same time. So oil change did not cause codes

Customer reply replied 5 years ago

See previous note

Technician: Daniel Wilson,
 replied 5 years ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 14,877
Experience: Owner at DJ Wilson
Verified

Hi my name is***** will be glad to help. Bare with me while I pull up some information for you.

ECM SPN 5443, Aftertreatment 1 Hydrocarbon Dosing System – MID 128
PPID 329

FMI 8 • Fuel leakage • Aftertreatment
Fuel Pressure, not
within expected
range
• Regeneration not
possible
Possible cause:

• Aftertreatment Hydrocarbon Dosing
Module

Depending on your soot level will depend on whether the ECM will try to force a regen and since it wont be possible with this fault your power will be derated at that time.

Let me know if you need more help and if you have all the information you need please take a moment and rate my answers. 5 star is always greaty appreciated and we can follow up as needed.

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Customer reply replied 5 years ago

Ok, what does that mean. Soot level us low. Still 500 miles from home and a volvo shop. Can I do it or not risk it. Is there actually a leak or a sense oroblem? If it is a leak, what is kesking?

Technician: Daniel Wilson,
 replied 5 years ago

It means there is a leak detected as pressure is low in the aftertreatment system. Most commonly it is the Aftertreatment Hydrocarbon Dosing Module that is the problem but there is a leak detected in the system due to low pressure. Whether or not you will make 500 miles will depend on if the truck wants to perform a regen due to high soot levels and cant due to this problem. You power will be derated at that time.

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Customer reply replied 5 years ago

Thank you

Technician: Daniel Wilson,
 replied 5 years ago

Pleasure to help.

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Technician: Daniel Wilson,
 replied 5 years ago

Please take a moment and rate my answers. 5 star is always greatly appreciated as that is how the site credits my time helping on the site.

Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 14,877
Experience: Owner at DJ Wilson
Verified
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