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Fuel Injection System - BOSCH LH (Non Turbo)
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Fuel Injection System - BOSCH LH (Non Turbo)
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Description
Operation
Electronic Control Unit (Ecu)
Fuel System
Injectors
Fuel Pump Relay
Idle Control
Sensors
Air Mass Meter
Coolant Temperature Sensor
Engine Speed
Oxygen Sensor
Speed/Position Sensor
Throttle Switch
Adjustments
Notes
Throttle Valve
Throttle Valve (2.3L)
Throttle Valve (2.8L)
Throttle Link Rod
Testing - VOLVO
Fuel Line Pressure/Pressure Regulator
System Tests
Air Mass Meter Burn-Off Cycle
Electronic Control Unit (ECU)
Ground Circuits
Lambda Shielding Wire
Lambda Sond
Test Circuit
Voltage Supply Circuit
Component Tests
Air Mass Meter (2.3L)
Air Mass Meter (2.8L)
Coolant Temperature Sensor
Constant Idle Speed (2.3L)
Constant Idle Speed System (2.8L)
Fuel Injection Relay
Fuel Pump Relay (2.8L Only)
Injector Circuits (2.3L)
Injector Circuits (2.8L)
Lambda Sond Preheating Resistor
Trouble Shooting
Notes
Preliminary Checks
Trouble Shooting Procedures
Notes
Engine Difficult to Start or Will Not Start Cold or Hot
Engine Starts Then Stalls
Erratic Idle
Engine Misfires During All Load Ranges
Lack Of Engine Power
Poor Fuel Economy
CO Level Too Low
CO Level Too High
Difficult To Adjust Idle Speed
Wiring Diagrams