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Why is my 94 cadillac deville low oil pressure light go on once and not again?
Wiki User
∙ 14y ago
The Northstar engine oil pressure sending unit is located near the oil filter. Northstar's have a large oil volume compared to most small V8's (7.5 quarts). The engine, especially at idle, has a low oil pressure requuirement, probably only 4-5 psi. If the low oil pressure light flickers once or twice and then goes out, I wouldn't worry about it. Keep the oil level up (NOT overfilled, just in the hash-marks of the dipstick) and be sure you use the correct weight and grade. I think the 94's called for 10-30W oil.
Wiki User
∙ 14y ago
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