2000 Chrysler Intrepid BaseFACTORY OEM SERVICE PROCEDURE

Oil Pressure Warning Indicator Not Operating Properly

NOTE: Before proceeding with this test, ensure oil level is correct.
  1. Turn ignition on. Observe oil level indicator. If oil level indicator illuminates, go to next step. If oil level indicator does not illuminate, go to step  5 .
  2. Turn ignition off. Disconnect oil pressure switch harness connector. Turn ignition on. If oil level indicator does not illuminate, go to next step. If oil level indicator illuminates, go to step  4 .
  3. Turn ignition off. Remove oil pressure switch. Install mechanical oil pressure gauge. Start engine and let idle. Ensure oil pressure is greater than 4 psi (.3 bar). If oil pressure is as specified, replace oil pressure switch. If oil pressure is not as specified, repair engine oiling system as necessary. See appropriate article in ENGINES.
  4. Turn ignition off. Disconnect oil pressure switch harness connector. Disconnect instrument cluster harness connector C1. Measure resistance between ground and terminal No. 5 (Gray wire) at instrument cluster harness connector C1. See Figure . If resistance is greater than 5 ohms, replace instrument cluster. If resistance is 5 ohms or less, repair short to ground in Gray wire between oil pressure switch and instrument cluster.
  5. Turn ignition off. Disconnect oil pressure switch harness connector. Using a fused jumper wire, ground Gray wire terminal at oil pressure switch harness connector. Turn ignition on. If oil level indicator does not illuminate, go to next step. If oil level indicator illuminates, replace oil pressure switch.
  6. Turn ignition off. Disconnect instrument cluster harness connector C1. Measure resistance in Gray wire between oil pressure switch harness connector and terminal No. 5 at instrument cluster harness connector C1. See Figure . If resistance is 5 ohms or less, replace instrument cluster. If resistance is greater than 5 ohms, repair open in Gray wire between oil pressure switch and instrument cluster.
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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.

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