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Ask Daniel Wilson Your Own Question
Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 2058
Experience:  Owner at DJ Wilson
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Second opinion] Def light flashing showing more than half,

Customer Question

Second opinion] Def light flashing showing more than half
JA: What's the make/model/year of your truck? Engine type?
Customer: 2012 paccar engine derated I'm assuming because Of def light flashing
JA: Are you fixing your truck yourself? What have you tried so far?
Customer: Friend put it on computer showing egr shut off
JA: Anything else you want the truck mechanic to know before I connect you?
Customer: Stop engine light on also .
Submitted: 7 months ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 7 months ago.

Hi Gerald, Its Dan. The ECM will derate the engine on certain faults or if a regen is required. Let me know the complete fault codes you have logged and I will pull them up for you. Also let me know the complete Paccar model from the ID tag.

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