Intermittent Failures
The term "intermittent failure" means a system may
have had a failure, but it checks OK now. If the
malfunction indicator lamp (MIL) on the dash does not
come on, check for poor
Electronic Control System
The functions of the fuel and emission control systems are managed by the
powertrain control module (PCM).
Self-diagnosis
The PCM detects a failure of a signal from a sensor
1. With the vehicle on level ground, inspect the
differential fluid with the ignition switch turned to
LOCK (0).
2. Use solvent and a brush to wash off any oil and dirt
from the differential fluid inspection oil filler plug.
3. Remove the oil filler plug (A) and the sealing
washer (B), then check
The reading of the vehicle’s
temperature gauge should stay in
the midrange. If it climbs to the red
mark, you should determine the
reason (hot day, driving up a steep
hill, etc.).
If the vehicle overheats, you should
take immediate action. The only
indication may be the temperature