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Clean exhaust filter, see owners manuel. 2500 hd 100,800…

Clean exhaust filter, see...

Clean exhaust filter, see owners manuel

Mechanic's Assistant: How many miles are on the car? How has your mileage been lately?

2500 hd 100,800 miles

Mechanic's Assistant: What year is your 2500?

2008

Mechanic's Assistant: Are you fixing your 2500 yourself? What have you tried so far?

I have always had it serviced before warning but can't get it in till Monday, just wondering if I can change it myself

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

Just can I fix it or can I drive it till Monday to have it serviced.

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Answered in 26 minutes by:
12/15/2017
Eric
Eric, Automotive Repair Shop Manager
Category: Chevy
Satisfied Customers: 35,187
Experience: 20+ yrs. experience as repair shop manager and technician.
Verified

HI,

Ok, it is a simple self cleaning process - the filter is not replace.

You need to drive it at at least 35mph for 20 minutes straight without the mph dropping below 35mph. If it drops below 35mph before the 20 minutes is done, you have to restart the clock so to speak. This is the GM procedure. The light will reset once the regeneration process is complete on the drive.

Make sure to be using ultra low sulphur diesel in your duramax to help reduce the diesel particulates that accumulate and cause the clean exhaust filter light to come on.

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Eric
Eric, Automotive Repair Shop Manager
Category: Chevy
Satisfied Customers: 35,187
Experience: 20+ yrs. experience as repair shop manager and technician.
Verified
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