LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Ford
>>
1998
>>
Crown Victoria Base, 4.6 9
>>
Repair and Diagnosis
>>
External Pages
>>
Different car
>>
Section 12 (Engine Controls - Basic Testing 4.6L)
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Section 12 (Engine Controls - Basic Testing 4.6L)
WARNING:
This page is about a different car, the 1998 Mercury Grand Marquis and 1998 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Expand All (for easy ctrl-f)
Collapse All
Introduction
Preliminary Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Compression
Exhaust System Backpressure
Fuel System
Preliminary Checks
Fuel Pressure Release
Fuel Pressure
Fuel Injectors
Fuel Injector Resistance
Fuel Injector Check
Inertia Fuel Shutoff (Ifs) Switch
Ignition Checks
Notes
EDIS (DISTRIBUTORLESS)
Ignition Coil Resistance
Idle Speed & Ignition Timing
Notes
Idle Mixture Adjustment
Ignition Timing
Idle Speed
Throttle Position (TP) Sensor Adjustment
Summary