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Job · Duramax 3.0

Silverado 1500 Duramax 3.0: DEF light stays on

The DEF light on this Silverado stayed on, even after a fill-up. It is not always as simple as an empty tank: we found the real cause with the scanner.

The job
Vehicle
Chevrolet Silverado 1500
Engine
Duramax 3.0
Mileage
163,034 km
Result
Cause found and fixed, light off.
Date
August 6, 2026
See the Duramax 3.0 engine
★★★★★ Google reviews(new tab)7 years of dieselBooked within 24 h
In the shop

The job in photos

Black Chevrolet Silverado in front of the OSP shop
Silverado from the back, by the alignment door
Duramax 3.0 engine, hood open
Dashboard: 163,034 km

The other jobs, before and after.

Back to our work

Is your Duramax 3.0 doing the same?

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