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Getting codes pid 172fmi 3 /spn 172 fmi 3 engine is a 08…

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Getting codes pid 172fmi...

Getting codes pid 172fmi 3 /spn 172 fmi 3 engine is a 08 c-15 sdo04954 have replaced air intake temperature sensor and plug any ideas

Mechanic's Assistant: What is the complete model and serial number of your machine?

08 c-15 SDP04954

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

Replaced air intake temp sensor and plug

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

Not that i know of

Submitted: 8 months ago.Category: Medium and Heavy Trucks
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Answered in 15 minutes by:
12/10/2017
Technician: Cat Man, Cat Engine Expert replied 8 months ago
Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 9,460
Experience: I am ASE Master Truck Certified.
Verified
Thanks for asking your question. I will try and help you out.
Most often the sensor is the cause. When it’s not. You have either a a faulty wiring harness or ecm. Faulty ecms are very rare. I would suspect the harness.Please reply back if you need more help or have more questions. I am happy to assist.
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Technician: Cat Man, Cat Engine Expert replied 8 months ago
Hey. I just wanted to see how things were going. Please let me know if you need more help. I am happy to assist. If my information was helpful, please leave a good or higher rating so that I receive credit. Thanks.
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