l-38 Chapter 1 Tune-up and routine maintenance
48.2 On later models, the reset switch for the
maintenance reminder light is located on the lower right
corner of the instrument cluster
2 The sensoris threaded into the exhaust manifold and can be identi-
fied by the wire attached to it. Replacement consists of disconnecting the
wire harness and unthreading the sensor from the manifold. Apply anti-
seizecompound to the threads of the
new sensor (some
new sensors may
already have anti-seize compound on the threads). Tighten the new sen-
sor to the torque listed inthis Chapter’s Specifications, then reconqect the
wire harness.
3 refer to the next section forthe emissions maintenance reminder light
resetting procedure.
48 Emissions maintenance reminder light resetting
Refer to illustration 48.2
1 At certain mileage~intervals, an emissions maintenance reminder
light on the instrument cluster will illuminate, alerting the driver that it’s time
to check the EGR system and/or replace the oxygen sensor (see the
Main-
tenance schedule
at the beginnrng of this Chapter).
2 After performing the required service, a switch on the instrument clus-
ter must be moved from one position to the other, which will reset the mile-
age counter. On some models the switch is located behind the instrument
cluster, near the speedometer cable (see Chapter 12 for the instrument
cluster removal procedure). On other models the switch is located-on the
front of the cluster, at the lower right corner (see illustration). To gain ac-
cess to this type, only the instrument panel trim has to be removed.
3 If the service being performed is at the 120,000-mile interval, remove
the maintenance reminder light bulb from the instrument cluster.. ,-
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