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2003 GMC Yukon Denali Base 4dr AWD

2003 GMC Yukon Denali
Trim Info:
All Wheel Drive, 4 Door
12 mpg city / 16 mpg hwy
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July 10, 2012, 7:27 pm

Elizabeth H
 

Question: service engine soon light & leading oil

I just noticed my truck is leaking oil and the service engine soon light came up as well, what an I looking at as fat as costs?


July 15, 2012, 7:15 pm

Ron W
Expert Mechanic

If you have access to a scan tool,, you'll need to see if any codes are present. A code will give you a direction to follow to diagnose this problem and idea of what is needed to fix it. The oil leak needs to be looked at to see where it is coming from.


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