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2003 GMC Sierra 2500HD Base Reg Cab 133 WB Work Truck

2003 GMC Sierra 2500HD
Trim Info:
Rear Wheel Drive, Reg Cab 8' Fleetside
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Recent Questions

truck wont start or communicate with tech 2
i have a 2004.5 gmc sierra 2500 duramax diesel lly engine (8th vin digit is 2) after turning my truck off for about 15mins it would not start up again, wont even try to crank at al...
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Asked by Eric P April 25, 2013, 11:42 pm 1 reply
INDICATORS NOT FUNCTIONING
I drove home tonight and my turn indicator,rpm, speed, volt, and temp indicators are not working. The oil press guage is ok, the lights are on, front and back, and brake lights...
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Asked by Rick R April 22, 2013, 10:06 pm 1 reply
oil cosumpsion
this is my third duramax deisel, up untill now they have never used oil between oil changes, now my new 2011 use's about 1 ltr in 8000 klm, i realize this is not a lot but why Now?...
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Asked by Richard B April 16, 2013, 8:49 am 1 reply
Duramax the transmission fluid is disappearing
Fluid level is dropping fairly fast when being drivin there is no leaks that I can find and no spots in the garage
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Asked by Colin C April 13, 2013, 1:59 pm 1 reply
how to get the water in fuel message to come off and what it stands for and how to solve it.
we have replaced the fuel filter and add a fuel supplement
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Asked by Jen W October 25, 2012, 6:50 pm 1 reply
Is there another switch that will send power to the fuel pump?
Fuel pump not getting any power put new relay in power box checked all the fuses and wiring. Is there another switch somwhere that will send power to the pump?
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Asked by Chris H August 17, 2012, 12:16 pm 1 reply
what could be the problem?
I just changed both downstream 02 sensors and now had four new codes come up. they are knock sensor 2 circuit low input bank 2, and random multiple misfire, also 02 sensor heater c...
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Asked by Rick K August 17, 2012, 4:02 am 1 reply
Does anyone make a 10 inch lift kit for a 2012 GMC Sierra denali 2500hd?
I was looking i found a seven, but nothing higher. Do i have to get a specially made one?
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Asked by Cam P April 29, 2012, 12:56 pm 1 reply
water in the oil pan
truck runs and feel great, but has water in the oil.
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Asked by Juan M April 12, 2012, 10:07 am 1 reply
truck hesitates when cold.
I have a 2003 gmc sierra with 6.0 L. On the newengland cold days my truck hesitatates when its cold and when the outsice temp is below 20 degrees it will idol very low and stall....
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Asked by Tim F February 22, 2012, 3:09 am 1 reply
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