Bad oil sending unit symptoms

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Bad oil sending unit symptoms
Never ignore dash warning lights (daimler dashboard 2 image by Stanislav Halcin from Fotolia.com)

An oil sending unit is a sensor that measures oil pressure in the engine. If you are driving and your oil pressure warning light comes on stop immediately. Have a mechinic check your oil level and pressure. If your level and oil pressure are both OK it may just be a bad sending unit that needs to be replaced.

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Oil Pressure

If you are having issues with your oil sending unit the oil pressure light in your dash will come on. It may come on and stay on or flash on and off. If the oil pressure light comes on, have it checked immediately. A mechanic can advise you if you have an oil pressure issue or if you just need to replace your oil sending unit to fix the problem. A mechanic can replace the sending unit.

Valve Clatter

If your engine is starved of oil you will hear valves clatter. If your valves clatter too much small shards of brass and other metal are sent through your motor and can cause engine damage.

Knocking

You may also hear your rod bearings knocking. Once your rod bearings start knocking your engine within no time will lock up. If driving while this happens you vehicle will coast until it stops.

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