Question about 2003 Chevrolet Silverado 2500HD
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Posted on Jan 02, 2017
First need to know what engine, and how much your willing to spend? You could add underdrive pullys, a better throttle body or even a new intake to get some more power, Also could change the gearing in your front and rear axles to a lower gear raito to change where your pwer would be more usefull I.E. 3.20: 1 would make it faster overall but 4.10:1 would make it faster of the line or more capiable for towing. hope that helps.
Posted on Jul 16, 2009
on the back of the engine close to the firewall by the glow plug controller is a high pressure oil switch. if this switch goes out diesel fuel will not reach the injector pump.try pulling the molex and jumping it out with a wire. if it starts. replace the switch. it takes an extra deep socket designed for that switch that can be purchased at any auto supply. good luck!
Posted on Jul 26, 2010
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