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I have a c13 cat with fault code 399. 2010 Kenworth with a…

Customer Question
I have a c13...

I have a c13 cat with fault code 399

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

2010 Kenworth with a cat c13 fault code 3663-5

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

The code description in cat et says engine injector cyl 5 actuator #2 current below normal. The local Kenworth dealer said to replace the low pressure actuator valve. I replaced them on cylinder 5 and 6. Same problem and same code came back as soon as I cranked the engine up and still skipping

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

I think that is it

Submitted: 2 years ago.Category: Medium and Heavy Trucks
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Answered in 9 minutes by:
8/19/2020
Technician: Cat Man, Cat Engine Expert replied 2 years ago
Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 10,344
Experience: I am ASE Master Truck Certified.
Verified
Thanks for asking your question. I will try and help you out.
This code indicates an open circuit. It could be either the Iva solenoid on the housing, faulty wiring to the solenoid. Or an ecm issue. Ecm issues are very rare.If you have replaced the solenoid. I would suspect the problem is In the harness.Please reply back if you need more help. I am happy to assist.
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Customer reply replied 2 years ago
The code 3663-5 says it's injector 5 solenoid 2. The dealer had told me to replace IVA and no different. I did IVA test and all passed. I did injector solenoid test and injector 5 failed for solenoid 2. Do I need to replace #5 injector?
Technician: Cat Man, Cat Engine Expert replied 2 years ago
Thanks for the information.
Yes. If it failed. It will need to be replaced.
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Customer reply replied 2 years ago
Thanks. That's what I tried to tell the Kenworth dealer this morning but he insisted that it was IVA solenoid. I will replace tomorrow and see if the code and skip go away
Technician: Cat Man, Cat Engine Expert replied 2 years ago
You are very welcome. I am happy I could help.
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Customer reply replied 2 years ago
I'm waiting for the injector to come in, they had to order it. I probably won't get it until Monday. I will close out this if it repairs the problem. Thanks for your assistance
Technician: Cat Man, Cat Engine Expert replied 2 years ago
You are very welcome. I am happy I could help.
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Customer reply replied 2 years ago
The repairs are not done. Waiting on parts. So far your help has been very good but I still haven't resolved my problem.
Technician: Cat Man, Cat Engine Expert replied 2 years ago
10-4. No problem
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