Isuzu 1999 RODEO Workshop Manual page 886

DTC P0442 EVAP Control System Small Leak Detected (Cont'd)
Step
12 1. Visually/physically
conditions:
f
Malfunctioning fuel cap.
f
Leaking fuel tank vapor line.
f
Damaged EVAP purge line.
2. If a problem is found, repair as necessary
Was a repair necessary?
13 1. Using the Tech 2, command the EVAP vent solenoid
ON (closed).
2. With the EVAP pressure/purge cart J41413
connected to the EVAP system by leaving the cart
control knob in the pressurized position.
3. Using the ultrasonic leak detector J41416, locate
and repair the leak in the EVAP system (it may be
necessary to partially lower the fuel tank to examine
the top tank connections).
Is the action complete?
14 IMPORTANT: Review
instructions included
performing this step.
1. Turn the ignition switch ON, with engine OFF.
2. Using the Tech 2, command the EVAP vent solenoid
ON (closed).
3. Pressurize the EVAP system to the specified value
using the EVAP pressure/purge cart J41413
(monitor the pressure using the gauge on the cart).
4. Switch the rotary switch on the cart to HOLD and
observe the EVAP pressure gauge.
Does the pressure decrease to less than the specified
value within 2 minutes?
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
Action
check for the following
the temperature variation
with the J41413 before
Value(s) Yes
Go to Step
— 14
Go to Step
—
14
2.14V System OK
6E1–259
No
Go to Step
13
—
Go to Step 3