There are actually three and maybe four, depending on the Northstar engine configuration. You need to check the two on the exhaust manifold piping and maybe one just before the catalytic converter AS WELL AS the rear one.
Rear Oxygen Sensor
A rear or downstream oxygen sensor is installed in the exhaust after the catalytic converter. It measures the amount of oxygen in the exhaust gases coming out of the catalytic converter.
SOURCE: 1996 cadillac seville sls codes
1996 cadillac sls. Oil light comes on and car stalls. Oil is full
SOURCE: 2000 cadillac seville sls sparkplug replacement/
ah, the million dollar question All 8 come out in different manners with differnt tools. most eaily through the wheel wheel wells ( we had lifts ) Hope this helps
SOURCE: Need to replace both crankshaft position sensors 2001 Cadillac
4.6 the twocrankshaft position sensors are located on the front of the block just above and to the left of the oil filter. not hard to replace.
SOURCE: Serpentine belt broke, need a routing diagram for
Hello jlou2805: My name is Roger and I will help you.Enclosed is your diagram of the fan belt. Should you need further help please just ask. Please rate your reply Thank you for using Fix Ya. Roger
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