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
If you suspect a problem with the fuel pump, check that
the fuel pump actually runs; when it is on, you will hear
some noise if you listen to the fuel fill port with the fuel
f ill cap removed. The fuel pump should run for
2 seconds when the ignition switch is first turned on. If
the fuel pump does
Component Location Index
EVAPORATIVE EMISSION (EVAP)
CANISTER PURGE VALVE
Replacement
POWERTRAIN CONTROL MODULE (PCM)
General Troubleshooting Information
Replacement
FUEL TANK VAPOR CONTROL VALVE
FUEL FILL CAP
FUEL TANK PRESSURE
(FTP) SENSOR
Replacement