20 Most Recent 2003 Chevrolet Silverado 2500HD - Page 7 Questions & Answers

Check for a loose or broken wire beneath the dash near the kick panel or floor.

O2 sensor circuit. No activity detected. Bank 2 sensor 2. Take it back to the garage. They did something wrong.

could be a leaking servo pipe. if it is knob turn type. motor failing on electric type. or a warn linc on vent control. very hard to find out you need to get your hand round the back and feel for the motor/s. on electric type. knob type with engine off move the vent control should hear a hissssing sound if no hissing sound then it is leaking.

it looks like the fuel return to the tank and leave air in the system,pintch the return hose so the fuel won't return by itself. the fuel regulator could be defect.

Can you remove the exhaust shield and get it out that way? Otherwise try to turn and work it down so you can pull it from the bottom.

Mabey motor mount,or bad cv joint(axle)

Cool. enjoy it!

A 2003 6.6 duramax holds 10 quarts with filter. you must also use a high quality diesel rated oil such as shell rotella 15w 40

Possible bad ignition switch. Check out video on YouTube called 2003 Trailblazer, no blower, abs and brake lights on. I know it says trailblazer, but it applies to most of gm full size trucks. 2003-2007 including Silverado. Video tells you how to test to see if that is the problem.

ALL MY GAUGES HAS STOPPED WORKING WHAT IS THE PROBLEM?

Sounds like an igition switch to me, with the discription you are giving.