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 MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 162 (ENGINE LUBRICATION SYSTEM)OIL PRESSURE SWITCH TEST
2008 Chevrolet HHR LT, 2.4 P, Automatic
Oil Pressure Switch Test
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Oil Pressure Switch Test
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the engine undercover (see step 2 ).
- Disconnect the oil pressure switch connector (A) from the oil pressure switch (B).
- Check for continuity between the positive terminal and the engine (ground). There should be continuity with the engine stopped. There should be no continuity with the engine running.
- Connect the oil pressure switch connector to the oil pressure switch.
- Install engine undercover (see step 2).
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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.