LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Subaru
>>
1998
>>
Legacy Outback, Automatic
>>
Repair and Diagnosis
>>
Engine Performance
>>
Testing & Diagnosis
>>
Engine Controls - Basic Testing
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Controls - Basic Testing
Expand All (for easy ctrl-f)
Collapse All
Introduction
Preliminary Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Compression
Exhaust System Backpressure
Fuel System
* Please Read First *
Relieving Fuel Pressure
Fuel Pressure
Fuel Pump Circuit Tests
Fuel Injector Circuit Tests
Ignition Checks
* Please Read First *
Spark
Ignition Coil Resistance
Ignition Control System Tests
Idle Speed & Ignition Timing
ECM Power Supply & Ground Tests
Summary