Sending Units/Sensors
SENDING UNITS/SENSORS LOCATION
| Component | Location |
|---|---|
| Barometric Pressure Sensor | On firewall, at right side of blower motor. |
| Coolant Temp. Switch/Sending Unit | On top of engine, below left side of valve cover (4-Cyl.), left of distributor (V6), or right side of engine below fuel filter (Diesel). See Figure. |
| Coolant Temperature Sensor | On left center side of engine (4-Cyl.) or top of engine ahead of distributor (V6). See Figure. |
| Electronic Level Cont. Height Sensor | On rear frame, near right rear shock (in front of fuel tank on Wagon). |
| Fuel Gauge Sending Unit | At top of fuel tank. |
| Knock Sensor | On top left of engine, below front of throttle body. |
| Manifold Absolute Pressure (MAP) Sensor | On upper right engine cowl (4-Cyl.), right side of engine cowl behind shock tower (V6) or on left rear of engine (Diesel). See Figure. |
| Manifold Air Temp. (MAT) Sensor | In air canister, at front of engine compartment. |
| Mass Airflow (MAF) Sensor | Part of air intake duct. |
| Metering Valve Sensor (MVS) | On top of engine. |
| Oxygen Sensor | In exhaust manifold. See Figure. |
| Throttle Position Sensor | On throttle body. See Figure. |
| Vehicle Speed Sensor (Pontiac 6000) | On top right of transaxle. |
| Vehicle Speed Sensor (Except Pontiac 6000) | Behind I/P. |
| Water-in-Fuel Sensor | In fuel tank. |