Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSPLYMOUTH1991LASER L4-1997CC 2.0L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSAIR FLOW METER/SENSORLOCATIONS
1991 Plymouth Laser L4-1997cc 2.0L DOHC
Air Flow Meter/Sensor: Locations
1991 Plymouth Laser L4-1997cc 2.0L DOHCSECTION Locations
Air Flow Sensor: Front RH Side Of Engine Compartment
Air Inlet Sensor: Behind RH Side Of Instrument Panel
Air Thermo Sensor: Behind RH Side Of Instrument Panel
Alternator Relay: RH Side Of Engine Compartment
Anti-Lock Brake System (ABS) LH Front Speed Sensor: On LH Side Steering Knuckle
Anti-Lock Brake System (ABS) Motor Relay: RH Side Of Engine Compartment
Anti-Lock Brake System (ABS) Power Relay: Front RH Side Of Luggage Compartment Near Control Unit
Anti-Lock Brake System (ABS) Rear Speed Sensors: At Each Rear Wheel
Anti-Lock Brake System (ABS) RH Front Speed Sensor: On RH Side Steering Knuckle
Anti-Lock Brake System (ABS) Self-Diagnosis Connector: Behind LH Side Of Instrument Panel, LH Side Of Steering Wheel
Anti-Lock Brake System (ABS) Valve Relay: RH Side Of Engine Compartment
Anti-Lock Brake System Control Unit: Front RH Side Of Luggage Compartment
Auto-Cruise Control Actuator: LH Side Of Engine Compartment
Auto-Cruise Control Clutch Switch: Behind LH Side Of Instrument Panel
Auto-Cruise Control Unit: Behind LH Side Of Instrument Panel
Auto-Cruise Control Vacuum Pump: Rear Center Of Engine Compartment
Automatic Seat Belt Control Unit: Behind Interior Trim Panel, Behind LH Door Jamb
Automatic Seat Belt Buzzer: Behind LH Side Of Instrument Panel
Barometric Pressure Sensor (1.8L/4-107): Front RH Side Of Engine Compartment
Barometric Pressure Sensor (2.0L/4-122 Non-Turbo): Front RH Side Of Engine Compartment
Barometric Pressure Sensor (2.0L/4-122 Turbo): Front RH Side Of Engine Compartment
Blower Motor High Relay: Behind RH Side Of Instrument Panel
Condense Fan Engine Compartment: Rear LH Side Of Engine Compartment
Coolant Temperature Sensor: Top Front Of Engine
Crankshaft Angle Sensor: Top Front Of Engine
Detonation Sensor (2.0L/4-122 Turbo): Rear Center Of Engine
Dome Lamp Relay: Behind LH Side Kick Panel
Door Lock Control Unit: Behind RH Side Kick Panel
Door Lock Relay: Behind LH Side Of Instrument Panel
Dual Pressure Switch: RH Side Of Engine Compartment
EGR Control Solenoid Valve (1.8L/4-107): Rear Center Of Engine Compartment
EGR Control Solenoid Valve (2.0L/4-122 Non-Turbo): Rear Center Of Engine Compartment
EGR Control Solenoid Valve (2.0L/4-122 Turbo): Rear LH Side Of Engine Compartment
Engine Control Unit: Behind Center Of Instrument Panel
Foglamp Relay: RH Side Of Engine Compartment
Fuel Pressure Control Valve (2.0L/4-122 Turbo): Rear LH Side Of Engine Compartment
Fuel Pump Chock Terminal: Rear Center Of Engine Compartment
Headlamp Relay: RH Side Of Engine Compartment
Heater Relay: Behind LH Side Of Instrument Panel
Idle Switch: Rear RH Side Of Engine Compartment
Ignition Timing Adjustment Terminal: Rear Center Of Engine Compartment
Inhibitor Switch: RH Side Of Engine Compartment
Intake Air Temperature Sensor: Front RH Side Of Engine Compartment
Intermittent Wiper Relay: Behind Interior Trim Panel, Behind LH Door Jamb
Magnet Clutch Relay: Rear LH Side Of Engine Compartment
Motor Position Sensor: Rear RH Side Of Engine Compartment
Oil Temperature Sensor: Front Of Engine
Overdrive Switch: Center Of Instrument Panel
Oxygen Sensor: RH Side Of Engine, Mounted On Exhaust Manifold
Passing Control Relay: Behind LH Side KickPanel
Pop-Up Motor Relay: RH Side Of Engine Compartment
Power Steering Fluid Pressure Switch: Front LH Side Of Engine Compartment
Power Window Relay: RH Side Of Engine Compartment
Pulse Generator A: Rear RH Side Of Engine Compartment
Pulse Generator 6: Rear RH Side Of Engine Compartment
Purge Control Solenoid Valve (1.8L/4-107): Rear Center Of Engine Compartment
Purge Control Solenoid Valve (2.0L/4-122 Non-Turbo): Rear Center Of Engine Compartment
Purge Control Solenoid Valve (2.0L/4-122 Turbo): Rear LH Side Of Engine Compartment
Radio Noise Condenser: Rear RH Side Of Engine Compartment
RPM Terminal (1.8L/4-107): Front Of Engine
RPM Terminal (2.0L/4-122): Rear Center Of Engine Compartment
Seat Belt Timer: Behind LH Side Of Instrument Panel, Near Relay Panel
Starter Relay (Models w/Auto Transmission Lose Theft-Alarm): Behind LH Side Of Instrument Panel
Starter Relay (Models w/Manual Transmission): Under Front Of Center Console
Stop Lamp Switch: Behind LH Side Of Instrument Panel, Top Of Brake Pedal Support
Tail Lamp Relay: RH Side Of Engine Compartment
Theft-Alarm Control Unit: Behind RH Side Kick Panel
Theft-Alarm Horn Relay: Behind LH Side Of Instrument Panel
Theft-Alarm Starter Relay (Auto Transmission): Behind LH Side Of Instrument Panel
Theft-Alarm Starter Relay (Manual Transmission): Under Front Of Center Console
Throttle Position Sensor: Top Rear Of Engine
Transaxle Control Unit: Behind Center Of Instrument Panel
Transistor Relay: Behind RH Side Of Instrument Panel
Turn Signal & Hazard Flasher Unit: Behind LH Side Of Instrument Panel, Left Of Steering Column, Near Junction Block
Vehicle Speed Sensor: Behind Speedometer
Waste Control Valve (2.0L/4-122 Turbo): Front RH Side Of Engine Compartment
4 A/T Control Unit: Behind Center Of Instrument Panel
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.