Jeep Cherokee (XJ): On-board diagnostics

Next pageEmission 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 moni ...

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Diagnosis and testing. Removal and installation
Diagnosis and testing Low lubricant level A low transmission lubricant level is generally the result of a leak, inadequate lubricant fill, or an incorrect lubricant level check. Leaks can occur at the mating surfaces of the gear case, intermediate plate and adaptor or extension housing, or fr ...