Should I Use Fuel Treatments?

Duramax Issues and Answers

Should I use fuel treatments?
   

How can I prevent my LLY Duramax engine from overheating?

Duramax Issues and Answers

How can I prevent my LLY Duramax engine from overheating?
   

Is there a special warranty on Duramax fuel injectors?

Duramax Issues and Answers

Is there a special warranty on fuel injectors?
   

Will Ultra-Low Sulfur fuel reduce the life of my fuel injectors and pump?

Duramax Issues and Answers

Will Ultra-Low Sulfur fuel reduce the life of my fuel injectors and pump?
   

Will aftermarket power programmers/chips affect my warranty?

Duramax Issues and Answers

Will aftermarket power programmers/chips affect my warranty?
   

Will an aftermarket exhaust cause Diagnostic Trouble Codes?

Duramax Issues and Answers

Will an aftermarket exhaust cause Diagnostic Trouble Codes?
   

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