2002 JEEP GRAND CHEROKEE set 1 2

[x] Cancel search: set 1 2

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual an associated limp in will take two trips to illumi-
nate the MIL.
Refer to the Diagnostic Trouble Codes Description
Charts in this section and the appropriate Power-
train Diagnostic Procedure Manual

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OPERATION - TASK MANAGER
The Task Manager determines which tests happen
when and which functions occur when. Many of the
diagnostic steps required by OBD II must be per-
formed under specific operatin

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual Non-emissions related failures have no priority.
One trip failures of two trip faults have low priority.
Two trip failures or matured faults have higher pri-
ority. One and two trip failures of fuel s

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual INSTALLATION - FIXED ORIFICE FITTING
When installing fixed orifice fitting, be sure loca-
tions of fixed orifice fitting and air inlet fitting (Fig.
9) have not been inadvertently exchanged. The fixed

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual change from opened to closed. If the reed switch
changes too quickly, a leak may be indicated. The
longer it takes the reed switch to change state, the
tighter the evaporative system is sealed. If the

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ²No engine stall during test.
NOTE: IF BATTERY VOLTAGE DROPS BELOW 10
VOLTS FOR MORE THAN 5 SECONDS DURING
ENGINE CRANKING, THE EVAP LEAK DETECTION
TEST WILL NOT RUN.
NOTE: THE FOLLOWING VALUES ARE A

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual MIL will illuminate, and the remaining EVAP Leak
Detection Test is canceled.
SECTION 2 - P1494 Leak Detection Pump
Switch or Mechanical Fault-If DTC P1495 is not
set, the PCM will check for DTC P1494.

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual set a temporary fault without turning on the MIL
and continue the leak portion of the test. However,
the PCM will assume that the system is already
pressurized and skip the rapid pump cycles.
Always d