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Home >> Dodge and Ram >> 1994 >> Caravan Base, 2.5 K, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Self-Diagnostic Tests >> Test 46A - Repairing Oil Pressure Sending Unit
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Test 46A - Repairing Oil Pressure Sending Unit

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION in this article. For wiring diagrams, see WIRING DIAGRAMS in this article.
  1. Check engine oil level, and top off as necessary. If oil level is okay, remove oil pressure sending unit, and connect an oil pressure gauge in its place. Go to next step.
  2. Start engine and check oil pressure reading. If oil pressure is less than 4 psi (.28 kg/cm2 ) at idle, check engine condition. See appropriate article in ENGINES section. If oil pressure is more than 4 psi (.28 kg/cm2 ) at idle, go to next step.
  3. Allow engine to reach normal operating temperature and check oil pressure reading. If oil pressure is less than 4 psi (.28 kg/cm2 ) at idle, check engine condition. See appropriate article in ENGINES. If oil pressure is more than 4 psi (.28 kg/cm2 ) at idle, go to next step.
  4. Turn ignition off. Remove oil pressure test gauge. Reinstall oil pressure sending unit. If instrument cluster is not equipped with an oil gauge, go to TEST 46B. If instrument panel is equipped with an oil pressure gauge, go to TEST 47A
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