How many O2 sensors on a 99 1500?
#1
06-12-2011, 05:32 PM
Join Date: May 2011
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How many O2 sensors on a 99 1500?
5.9L.
I need a new Upstream (pre-cat) O2 sensor. I went to my local parts store and they told me my Truck has 3 sensors....One Post-cat, and 2 pre-cat...One on both side of the manifold or something?
When I go under the truck all I see is one directly in front of the Cat and one directly after it....
Help?
I need a new Upstream (pre-cat) O2 sensor. I went to my local parts store and they told me my Truck has 3 sensors....One Post-cat, and 2 pre-cat...One on both side of the manifold or something?
When I go under the truck all I see is one directly in front of the Cat and one directly after it....
Help?
#2
06-12-2011, 05:37 PM
