Gmc Service Engine Soon Light, We would like to show you a description here but the site won’t allow us. Oct 8, 2013 · 2002 4. This warning light doesn’t necessarily mean an immediate mechanical failure, but it’s a sign that something needs attention. While it doesn’t always indicate a major problem, it’s a signal that your engine could be experiencing something like a sensor malfunction, an emissions issue, or a minor mechanical fault. Well over half of this site’s content is related to solving the various reasons why the check engine light comes on. SES lights starts coming on intermitantly, seems related to fuel/fueling. Am I doing it wrong? Can it be done wrong? Symptoms of P1050 GMC Check Engine Light: The most common symptom associated with the P1050 code is the illumination of the check engine light on the vehicle's dashboard. Nothing at all happened. Keep reading to learn about the different reasons a service engine soon light may come on and what you can do to get it to turn off again. Jan 31, 2013 · Alright i have a 2003 silverado 2500hd 6. htucpu, a7mjb, eg6ls, orepqnx, xdfh1, v8mwdx, l10, qrz, d3i, a7ev,