LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Pontiac
>>
1989
>>
LeMans Base, Automatic
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Basic Testing
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Basic Testing
Expand All (for easy ctrl-f)
Collapse All
Introduction
Preliminary Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Exhaust System Backpressure
Fuel System
Fuel Pressure
Notes
Testing Compression
Relieving Fuel Pressure
Fuel Pump Relay
Checking Fuel Pressure
Ignition Checks
HEI/Est Ignition System
Spark
Ignition Coil Power Source
Ignition Coil Testing
Distributor & Ignition System Check
Idle Speed & Ignition Timing
A5, Fuel Pump Relay
Chart A-5 Fuel Pump Relay
Diagnostic Aids
A7, Fuel System Diag
Chart A-7, Fuel System Diagnosis
Diagnostic Aids
C4B, Ignition System Check
Chart C-4B Ignition System Check (Remote Coil-Sealed Module)
Summary