LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Jeep
>>
1990
>>
Cherokee Limited, 2D Utility
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Basic Testing
September 30: LEMON manuals is back up on a temporary server! Slowness is possible
Engine Controls - Basic Testing
Expand All (for easy ctrl-f)
Collapse All
Introduction
Visual Inspection
Mechanical Inspection
Compression
Exhaust System BACKPRESSURE
Fuel Pressure
Notes
Fuel Pressure Release (4.0L PFI)
Fuel System Pressure Test (2.5L)
Fuel System Pressure Test (4.0L)
Fuel Pump Pressure Test (4.2L & 5.9L)
Capacity (Volume) Test (4.2L & 5.9L)
Testing Spark At Coil
Spark Plug & Coil Wire Resistance
Failure To Start Test
Notes
2.5L & 4.0L
4.2L & 5.9L
Ignition Coil Cranking Test (4.2L & 5.9L)
Ignition Coil Resistance Test (4.2L & 5.9L)
Idle Speed & Ignition Timing
Notes
Idle Rpm Test
Summary