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Diesel Leak In Engine Bay, Engine Smoking
2012 GMC Sierra
This problem may be covered under warranty. Ask your GMC dealer.
10.0
really awful- Typical Repair Cost:
- No data
- Average Mileage:
- 12,000 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- not sure (1 reports)
![2012 GMC Sierra engine problems](http://cdn.carcomplaints.com/img/v1/categories/engine.png)
engine problem
Helpful websites
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A D V E R T I S E M E N T S
A brand new truck should not develop a fuel leak which causes smoke to billow into the cabin and make the driver and passengers sick!
- John P., Erie, CO, US