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
When preparing to tow, and before
driving away, be sure to check the
following:
The vehicle has been properly
serviced, and the suspension and
the cooling system are in good
operating condition.
The trailer has been properly
serviced and is in good condition.
All weights and loads are
To eliminate potential hazards, read
the instructions before you begin,
and make sure you have the tools
and skills required.
Make sure your vehicle is parked
on level ground, the parking brake
is set, and the engine is off.
To clean parts, use a commercially
available degreaser or par