× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 2003 Trailblazer 4.2 with a DTC P1271
Posted to Technical Discussion Forum on 2/2/2005 5 Replies

Hi James, Not the same DTC, but SMU 03-06-04-031 (doc #1341944) has info related to similar problems on this model. I just happened to recall having seen that SMU recently, so took a peek to see just in case it might provide any clues.

Looking at the circuit... Login to read more.

5 Replies Received (View Replies)