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1985
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Skylark Custom, 2.8 W, Standard
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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
Air Flow Sensing
Speed Density (1.8L Turbo & Fiero 2.8L Only)
Mass Air Flow
Adjustments
Notes
Minimum Idle Speed
Notes
1.8L 4-Cylinder
2.8L, 3.0L & 3.8L V6 With Multi-Port Fuel Injection
5.0L & 5.7L V8
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
ECM Trouble Codes
Notes
Code 13
Code 14
Code 15
Code 21
Code 22
Code 23
Code 24
Code 25
Code 31
Code 33
Code 34
Code 41
Code 42
Code 43
Code 44
Code 45
Code 51
Code 52
Code 53
Code 54
Code 55
Preliminary Checks
Fuel System Diagnosis
Notes
Restricted Flow
Hard Start
Notes
1.8L 4-Cylinder
3.0L, 3.8L, 5.0L & 5.7L Engines
Stall After Start
All Exc. 3.0L & 3.8L V6
Hesitation, Sag, Stumble
All Exc. 3.0L & 3.8L V6
3.0L & 3.8L V6
Rough, Unstable Idle
Cuts Out, Misses
Detonation
Testing
Specifications
Wiring Diagrams