O2 sensor question
#2
Join Date: Nov 2007
Location: Eastern PA,
Posts: 10,357
I believe the 3800's have 4 O2 sensors, The 2 primary ones in the exhaust manifolds (these are the ones that adjust your fuel mixture). The there is a secondary one before and after the cat to monitor how the cat is working.
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fuhhuayt
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05-05-2011 01:04 PM