When the security system gets activated it shuts down the fuel injectors. Have to figure out how to reset the security system. I don't know how.
from my research so far the security is intergrated into the system.the security light stays on
Looking for a Used Yukon in your area?
CarGurus has 19,293 nationwide Yukon listings starting at $2,000.
Search GMC Yukon Questions
GMC Yukon Experts