Powertrain Management: Locations

Air Flow Sensor Plate - On Top Of Air Filter Housing, At Right Front Of Engine Compartment
Air Flow Sensor (Potentiometer) - On Side Of Air Flow Sensor, Side Of The Mixture Control Unit
Altitude Sensor - In Plenum Panel On The Left Side Below The Cover
Coolant Temperature Sensor (85 1.8L) - On Bottom Of Coolant Outlet Flange, At Upper Left Side Of Cylinder Head
Coolant Temperature Sensor - At Front Left Cylinder Head, On Bottom Of Coolant Outlet Flange
Cold Start Valve - On Right Rear Of Intake Manifold, Next To Throttle Body
CIS-E Control Unit - In The Plenum Panel On The Left Side Below The Cover
Diaphragm Pressure Regulator - Next To The Air/Fuel Mixture Control Unit
Differential Pressure Regulator - On Side Of Fuel Distributor
Fuel Injectors - On Intake Manifold Ports Of The Cylinder Head
Fuel Distributor - Fuel Side Of Mixture Control Unit, At Right Front Of Engine Compartment
Full & Idle Throttle Switch - Top Of Throttle Body, By The Throttle Valve
Hall Sender - On Distributor
Hall Effect Control Unit - Left Rear Of Engine Compartment
Ignition Control Unit - Left Rear Of Engine Compartment
Idle Speed Stabilizer Valve - Mount On Rear Of Intake Manifold
Idle Speed Set Screw - On Side Of Throttle Body
Idle Speed Boost Valve I & II - On Left Rear Of Engine Compartment, Next To Battery & Ignition Coil
Oxygen Sensor - On Exhaust Manifold
Oxygen Sensor Control Unit - Rear Of Engine Compartment In The Tray Area
Thermo-Time Switch (85 1.8L) - On Top Of Coolant Outlet Flange, At Left Front Of Cylinder Head
Thermo-Time Switch - Rear Of Cylinder Head