There is an error message that displays on the dash for myself and thousands of others who own gmc/chevy trucks with these motors. they have a defective throttle position sensor with the truck where it says "reduced engine power". i've found 2 technical service bulletins that somewhat address the issue, but many people take their trucks to mechanics and dealerships to get the issue fixed and spend thousands of dollars in repairs and troubleshooting to get the issue resolved, to no avail. the 2 technical service bulletins that i found were #pip3089b (dated 10/31/2006) and #pip3042a (dated 8/30/2004). i've seen ...
2007 gm yukon xl, front interior door handles have peeling chrome paint that cut fingers when opening doors. *tr
Http://townhall.edmunds.com/direct/view/.f0e807e/115 http://www.gminsidenews.com/forums/f31/2003-yukon-xl-reduced-power-issue-help-90910/ http://www.justanswer.com/gm/5bfxf-gmc-2003-gmc-yukon-5-3-motor-code-p1518.html http://www.chevyavalanchefanclub.com/cafcna/index.php?topic=43119.0;wap2 please check out these links as i have been searching for a fix for my "reduced engine power" issue with my yukon. i've come across several others with the same issue. most of which have taken the issue back to gm dealers, who get no support for the problem from the home office. i believe this could be a very dangerous issue. the issue itself is the truck kicks into "reduced engine power" mode and then it does not go any faster than idle which means it all of the ...
Overall the worst problem with GMC Yukon XL 1500 relates to ELECTRICAL SYSTEM problems. Browse the categories below to learn about the specific Yukon XL 1500 years that are prone to issues with these components.