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1987
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Blazer 5.7 K
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Fuel Injection System - TBI
Fuel Injection System - TBI
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Component Testing
Application
Identification
Description
Operation
Fuel Supply System
Throttle Body Assembly
Fuel Pressure Regulator
Fuel Injector
Idle Air Control (IAC) System
Electronic Control Module
Data Sensors
Notes
Coolant Temperature Sensor (CTS)
Oxygen Sensor
Manifold Absolute Pressure (MAP) Sensor
Vehicle Speed Sensor (VSS)
Throttle Position Sensor (TPS)
Component Locations
Trouble Shooting
Preliminary Checks
Cuts Out Or Misses
Dieseling, Run-On
Hard Starting (Hot Or Cold)
Hesitation, Sag Or Stumble
Poor Fuel Economy
Rough, Unstable, Incorrect Idle Or Stalling
Surging
Testing
Fuel System Pressure Relief
Fuel System Pressure Test
Removal & Installation
Coolant Temperature Sensor (Cts)
Electronic Control Module (ECM)
Fuel Pump
Fuel Pump Relay
Vehicle Speed Sensor (VSS)
Manifold Absolute Pressure (Map) Sensor
Oxygen Sensor
Power Steering Pressure Switch
Throttle Body Assembly
Removal
Installation
Throttle Position Sensor (TPS)
Adjustments
Overhaul
Disassembly (Model 220)
Fuel Meter Cover
Fuel Injector
Fuel Meter Body
Throttle Body
Disassembly (Model 700)
Fuel Injector
Fuel Meter Body
Throttle Body
Cleaning & Inspection
Reassembly (Model 220)
Throttle Body
Fuel Meter Body
Fuel Injector
Fuel Meter Cover
Reassembly (Model 700)
Throttle Body
Fuel Meter Body
Fuel Injector
Torque Specifications