Question about 1999 GMC Yukon
I have replaced the octopuse, battery, fuel filter, fuel pump, still having problems starting in cold weather, sometimes after a heavy rain.
We had the same problem until i replaced the oxygen sensors and water proofed the connections
Posted on Dec 28, 2008
Testimonial: "Seems helpful -- I am wondering if you had to replace all four sensors or only upstream / downstream? Thank you"
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Posted on Jan 02, 2017
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