Jeep Cherokee (XJ): Special tools
4.0L ENGINE
Disassembly and assembly. Cleaning and inspection. Specifications
Disassembly and assembly
CYLINDER BLOCK
DISASSEMBLY
Refer to the applicable sections for detailed
instructions.
(1) Drain the engine oil. Remove and discard the
oil filter.
(2) Remove the wa ...
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Other materials:
Emission system. Malfunction indicator lamp (mil). State display test mode
Emission system
OPERATION
The Powertrain Control Module (PCM) monitors
many different circuits in the fuel injection, ignition,
emission and engine systems. If the PCM senses a
problem with a monitored circuit often enough to
indicate an actual problem, it stores a Diagnostic
Trouble Code (DTC ...