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Oil sending unit or main seal

(1998 Honda Accord)
in Portsmouth, OH on February 15, 2009
i walked out one day had all the oil from car on the ground! Can anyone tell me if it would be the oil sending unit or the main seals? and if oil sending unit where is it located at?
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Popular Answer
The oil pressure sender unit is at the bottom rear corner of the engine. Top up the engine oil level. Start the engine and determine from what area of the engine the oil is leaking. Perhaps place a large sheet of cardboard under the engine and determine is the oil leaking from the rear of the engine, the passenger side of the engine or transmission side of the engine. Ensure the engine oil filter is tight (turn it clockwise to tighten). Look for signs of oil leaking at the engine oil pan drain plug. If pressurized oil is leaking from the engine the engine will empty itself of oil very quickly. If it is a gasket that is leaking the oil level will drop more slowly but needs to be attended to.
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