LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Mercury
>>
2002
>>
Villager Base
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - System & Component Testing
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Controls - System & Component Testing
Expand All (for easy ctrl-f)
Collapse All
Introduction
Computerized Engine Controls
Powertrain Control Module
Ground Circuits
Power Circuits
Engine Sensors & Switches
Notes
Sensors
Camshaft Position Sensor
Crankshaft Position Sensor
Engine Coolant Temperature Sensor
Heated Oxygen Sensor
Intake Air Temperature Sensor
Knock Sensor
Manifold Absolute Pressure/Barometer Sensor
Mass Airflow Sensor
Throttle Position Sensor
Vehicle Speed Sensor
Switches
Idle Switch
Inertia Fuel Shutoff Switch
Power Steering Pressure Switch
Throttle Position Switch
Relays & Solenoids
Relays
A/C Relay
Fuel Pump Relay
Fan Control Relays
Solenoids
Idle Speed Control Solenoid
Fuel System
Fuel Delivery
Fuel Pump Relay
Fuel System Integrity Check
Fuel System Pressure Check
Fuel Control
Fuel Injector Check
Idle Control System
Idle Speed Control Solenoid
Idle Switch
Ignition System
Evaporative Emission System Tests
Notes
Fuel Evaporation
EVAP Emission System
PCV System
Test C: Hissing Sound When Removing Fuel Cap
Test D: Excessive Fuel Odor
Canister Vent Control Solenoid Closing Procedure
Evaporative Emissions System Leak Test
Evaporative Emission Repair Verification Drive Cycle