Diesel Engine problems of the 2003 GMC Sierra

One problem related to diesel engine has been reported for the 2003 GMC Sierra. The most recently reported issues are listed below.

1 Diesel Engine problem

Failure Date: 01/02/2006

I own a 2003 GMC Sierra with a diesel engine. I have had to replace the block heater 5x in the last 3 years. It quits about every 4 months during the "winter months" or the first time I plug it in after the summer it fails to work.

Other Engine And Engine Cooling related problems of the 2003 GMC Sierra

Gas Recirculation Valve (egr Valve) problems	3
Engine Oil Leaking problems	2
Engine And Engine Cooling problems	1
Engine Cooling System problems	1
Coolant Leaking problems	1
Diesel Engine problems	1
Engine Noise problems	1
Engine Exhaust System problems	1
Car Stall problems	1
Loud Engine Noise problems	1

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