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Jeep
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1987
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Cherokee Base, 2D Utility, 2.5 H, RWD, Standard, AX5
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4.0L MPI System
4.0L MPI System
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Description
Operation
Fuel Control
Data Sensors & Switches
Notes
Coolant Temperature Sensor (CTS)
Manifold Absolute Pressure (MAP) Sensor
Oxygen (O2) Sensor
Throttle Position Sensor (TPS)
Knock Sensor
Park/Neutral (P/N) Switch
Speed Sensor
A/C "ON" Switch
Starter Motor Relay
Distributor Reference Signal
Electronic Control Module (ECM)
Diagnostics
Electronic Spark Advance
Idle Speed Control
Emission Control
A/C Clutch Control
Shift Light Control
Diagnosis & Testing
Preliminary Checks
Fuel System Test
Fuel Pressure
Fuel Flow
Fuel Injector Test
Component Testing
Throttle Position Sensor
Coolant Temperature Sensor (CTS) & MAT Sensor
Manifold Absolute Pressure (MAP) Sensor
Oxygen Sensor
Oxygen Sensor Heating Element
Knock Sensor
Speed Sensor
"Synch Pulse" (Stator)
EGR Solenoid Valve
Relays - General Testing
Starter Motor Relay
Removal & Installation
Electronic Control Unit (Ecu)
Removal & Installation
Coolant Temperature Sensor (Cts)
Removal & Installation
Oxygen (O2) Sensor
Removal & Installation
Throttle Position Sensor (TPS)
Removal
Installation
Output Check (Manual Transmission Only)
All Other Sensors, Solenoids & Switches
Removal & Installation
Wiring Diagrams