LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2000 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Testing & Engine Component Testing >> Engine Sensors & Switches >> Engine Oil Pressure Switch >> 1.9L, 2.2L & 3.0L
April 5, 2026: LEMON Manuals is launched! Read the announcement.

1.9L, 2.2L & 3.0L

  1. Turn ignition on, engine off. Engine oil pressure indicator light should illuminate and remain on. If engine oil pressure indicator light illuminates, go to next step. If engine oil pressure indicator light does not illuminate, go to step  4.
  2. Start engine and let idle for about one minute. Engine oil pressure indicator light should turn off and remain off. If engine oil pressure indicator light remains on, go to next step.
  3. Disconnect engine oil pressure switch. If engine oil pressure indicator light remains on, check for short in ground circuit (Tan wire on 1.9L; Tan/Black wire on all others). If engine oil pressure indicator light turns off, replace engine oil pressure switch.
  4. Disconnect engine oil pressure switch. Using jumper wire, ground engine oil pressure switch circuit (Tan wire on 1.9L; Tan/Black wire on all others). If engine oil pressure indicator light illuminates, replace switch. If engine oil pressure indicator light does not illuminate, diagnose instrument cluster and circuits. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
scientia non olet · About LEMON Manuals