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.
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HOMESERVICE MANUALSOLDSMOBILE1998EIGHTY-EIGHT LSREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTSCOMPONENT LOCATIONS
1998 Oldsmobile Eighty-Eight LS
Component Locations
1998 Oldsmobile Eighty-Eight LSSECTION Component Locations
NOTE:
Component location illustrations are only available for LeSabre 3.8L (VIN 1 and VIN K) vehicles. See Fig 1
-Fig 2
.
COMPONENT LOCATIONS (VIN K & VIN 1)
| Component | Location |
|---|---|
| A/C Compressor Relay | Right Side Of Engine Compartment, In Power Distribution Box |
| A/C Pressure Sensor | Right Side Of Engine Compartment, Below Accumulator |
| Camshaft Position (CMP) Sensor | Right Side Of Engine, Above Crankshaft Pulley |
| Crankshaft Position (CKP) Sensor | Lower Right Side Of Engine, At Crankshaft |
| Data Link Connector | Under Left Side Of Instrument Panel, Right Of Steering Column |
| EGR Valve | At Left Side Of Engine, Near Throttle Body |
| Engine Coolant Temperature ECT) Sensor | Top Left Side Of Engine, Below Throttle Body |
| Engine Oil Level Sensor | Front Of Engine On Oil Pan, Near A/C Compressor |
| EVAP Canister Purge Solenoid | At Left Front Of Engine Compartment, On Top Of Canister |
| EVAP Canister Vacuum Switch | At Left Rear Of Engine |
| Fuel Injectors | In Intake Manifold |
| Fuel Pressure Regulator | Top Left Side Of Engine On Fuel Injector Rail |
| Fuel Pump Relay | Right Side Of Engine Compartment, In Power Distribution Box |
| Fuel Pump Speed Control Module | Left Center Of Trunk |
| Idle Air Control (IAC) Valve | Top Of Engine, Attached To Throttle Body |
| Ignition Control Module | Top Right Front Of Engine |
| Intake Air Temperature IAT) Sensor | Left Side Of Engine Compartment, Attached To Air Intake Duct |
| Knock Sensors | At Front Of Engine Near Starter, Or At Lower Right Rear Of Engine |
| Manifold Absolute Pressure MAP) Sensor | Top Rear Of Engine, On Intake Manifold |
| Mass Airflow (MAF) Sensor | Left Front Of Engine Compartment, In Air Intake Duct |
| Oxygen Sensors (O2S) | Rear Of Engine, In Exhaust Manifold & In Exhaust Pipe Rear Of Catalytic Converter |
| Power Distribution Box | Right Side Of Engine Compartment |
| Powertrain Control Module (PCM) | At Right Side Of Instrument Panel |
| Primary Cooling Fan Relay | Rear Center Of Engine Compartment |
| Secondary Cooling Fan Relay | Right Side Of Engine Compartment, In Power Distribution Box |
| Throttle Position (TP) Sensor | Top Of Engine, On Throttle Body |
| Transaxle Range Switch | Rear Left Side Of Engine Compartment, Mounted To Top Of Transaxle |
| Vehicle Speed Sensor | Lower Right Rear Of Engine, Attached To Transaxle |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.