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Fuel Injection System - PFI
Fuel Injection System - PFI
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Component Testing
Description
Notes
Fuel System
Electronic Control System
Operation
Fuel Control System
Fuel Pump
Fuel Pressure Regulator
Fuel Rails
Fuel Injectors
Cold Start Valve
Air Induction System
Throttle Body
Idle Air Control
Airflow Sensing
Speed Density (2.0L Turbo & Fiero 2.8L Only)
Mass Airflow
Adjustments
Notes
Minimum Idle Speed Adjustment
Notes
2.8L (Except Fiero), 3.0L & 3.8L
5.0L & 5.7L
Throttle Position Sensor (TPS) Adjustment
Notes
2.8L, 3.0L, 5.0L & 5.7L
3.8L
Removal & Installation
Notes
Fuel Rail & Injectors
Removal
Installation
Idle Air Control Valve
Removal
Installation
Oxygen Sensor
Removal
Installation
Throttle Position Sensor
Removal
Installation
Fuel Pump
Removal & Installation (Except Corvette)
Removal (Corvette)
Installation
Trouble Shooting
Notes
ECM Trouble Codes
Entering Diagnostic Mode
Trouble Codes
Notes
Code 13
Code 14
Code 15
Code 21
Code 22
Code 23
Code 24
Code 25
Code 31
Code 32
Code 33
Code 34
Code 35
Code 36
Code 41
Code 42
Code 43
Code 44
Code 45
Code 51
Code 52
Code 53
Code 54
Code 55
Code 61
Code 63
Code 64
Clearing Trouble Codes
Exiting Diagnostic Mode
Preliminary Checks
Fuel System Pressure Diagnosis
Hard Start
Hesitation, Sag, Stumble
All Engines Except 3.0L & 3.8L
3.0L & 3.8L
Rough, Unstable Idle
Cuts Out, Misses
Detonation
Injector Balance Test
Wiring Diagrams