LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Pontiac
>>
1998
>>
Firebird Formula, Automatic
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Control System - System & Component Tests - 5.7L
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Control System - System & Component Tests - 5.7L
Expand All (for easy ctrl-f)
Collapse All
Model Identification
Introduction
Computerized Engine Controls
Pcm Power & Ground Check
Ground Circuits
Power Circuits
PCM Harness Resistance
Diagnostic Trouble Codes
Engine Sensors & Switches
Notes
Engine Control System - System & Component Tests - 5.7L
Engine Oil Level Sensor Diagnosis
Park Neutral Position (PNP) Switch Diagnosis
Motors, Relays & Solenoids
Notes
Motors
Secondary AIR Elec. Air Pump
Idle Air Control (IAC) Motor
Relays
A/C Clutch Relay
Fuel Pump Relay
Solenoids
Fuel System
Notes
Engine Control System - System & Component Tests - 5.7L
Fuel Injector Circuit Diagnosis
Fuel Injector Balance Test
Injector Coil Test ECT Between 50-95°F
Injector Coil Test ECT Not Between 50-95°F
Idle Control System
Ignition System
Emission Systems & Sub-Systems
Notes
EVAP Control System Diagnosis
Air Injection
AIR Pump (Belt-Driven)
Check Valve
Electric AIR Pump Relay
Exhaust Gas RECIRCULATION
Notes
Exhaust System Check
Positive Crankcase Ventilation (PCV)
Required Service
Checking PCV Valve Function
Miscellaneous Controls
Notes
Transmission
Notes
Converter Clutch Solenoid
Converter Lock-Up Signal At Transmission
Converter Lock-Up Signal From PCM
Pcm Controlled Generator
A/C Compressor Clutch Controls
Electric Cooling Fan Control
Component Locations