GMC chervolet camaro 1999 Service Manual page 855

6-72 Engine Mechanical - 3.8 L
440850
211642
Engine
4. Disconnect the secondary lock on the electrical
connector.
5. Disconnect the oxygen sensor electrical (
connector (3) from the harness.
6. Remove the -0xygen sensor conn.actor rosebud
from the engine lift bracket; ,
7. Remove the oxygen sensor from the exhaust
manifold.
8. Disconnect the numbers 4 and 6 spark plug wires
from the spark plugs.
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