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1987
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Cavalier Z24, 2D Hatchback, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Fuel Injection System - TBI
Fuel Injection System - TBI
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Component Testing
Identification
Description
Operation
Fuel Delivery System
Fuel Pump
Throttle Body Injector Assembly
Idle Air Control (IAC) System
Electronic Control Module (ECM)
Notes
Prom
Starting
Clear Flood
Run
Acceleration
Deceleration
Battery Voltage Correction
Fuel Cut-Off
Data Sensors
Coolant Temperature Sensor (CTS)
Oxygen (O2) Sensor
Manifold Absolute Pressure (MAP) Sensor
Vehicle Speed Sensor (VSS)
Throttle Position Sensor (TPS)
Crankshaft Sensor (2.0L & 2.5L)
Distributor Reference Signal (4.3L)
Direct Ignition System (2.0L & 2.5L)
Trouble Shooting
Preliminary Checks
Notes
Subsystem Checks
Testing & Diagnosis
Fuel System Pressure Test
Hesitation, Sluggish, Sags Or Poor Mileage
Cuts Out Or Stalls
Detonation (Knock)
Surging
Hard Starting (Hot Or Cold)
Excessive Emissions (Odor)
Removal & Installation
Electronic Control Module (ECM)
Notes
Removal
Installation
Vehicle Speed Sensor (VSS)
Removal & Installation
O2 Sensor
Notes
Removal & Installation
Throttle Position Sensor (TPS)
Removal
Installation
Fuel Pump
Removal & Installation
Overhaul
Disassembly
Notes
Throttle Body Cover
Throttle Body
Throttle Body Injector
Cleaning & Inspection
Reassembly
Idle Air Control (IAC) Valve
Throttle Position Sensor (TPS)
Throttle Body Injector
Throttle Body Cover
Torque Specifications
Wiring Diagrams