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I have SA 0 SPN 5443 FMI 7 code on it and it looks like the…

I have SA 0...

I have SA 0 SPN 5443 FMI 7 code on it and it looks like the def fluid is not draining.

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

2013 volvo vnl 670 d13 engine

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

I just cleaned the dpf filters and changed the doser valve.

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

That's it

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Answered in 6 minutes by:
3/11/2021
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 1 year ago
Mike Mcmillan
Mike Mcmillan, Shop Foreman/Triage Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 6,621
Experience: Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel
Verified
Hello and thank you for using Just Answer. My name is ***** ***** I’d like to try and help. Please allow me a few moments to look over your question and I will be right back with you. Thank you
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Customer reply replied 1 year ago
Ok
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 1 year ago
This fault is for the 7th injector. It means the mechanical portion is not responding. I would check the 7th injector for being plugged. If there is a T fittings on top make sure it is not passing air on the return side. If it is then replace the t fitting. If that is fine then I would replace the after treatment shut off valve block. The learned data has to be reset with a scan tool when those components are replaced as well
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Customer reply replied 1 year ago
Thank you very muchIs that why the def fluid is not draining?I filled it 2 weeks ago and it's still full
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 1 year ago
It will only use def as needed
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Customer reply replied 1 year ago
I run 3000 miles a week and before the check engine light, I top up every 2 days
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 1 year ago
I have seen some trucks run a month before the level drops
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Customer reply replied 1 year ago
One last questionIt won't regen as well
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 1 year ago
That fault code you have will prevent that
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Customer reply replied 1 year ago
Thank you so much
Technician: Mike Mcmillan, Shop Foreman/Triage Tech replied 1 year ago
My pleasure. Have a good day
Mike Mcmillan
Mike Mcmillan, Shop Foreman/Triage Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 6,621
Experience: Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel
Verified
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Mike Mcmillan
Mike Mcmillan
Mike Mcmillan, Shop Foreman/Triage Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 6,621
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