I heard a noise inside the engine under the oil hole cap, i went to make the smog sheck a told me that the knock sensor code it was flashing, and vibration and drone when i start the engine and when i drive the car until a few miles the vibration and drone dessapear.
What's the problem and solution? on 1996 Nissan Altima
by juguete in Montebello, CA on March 11, 2010
ANSWER by Oakman on March 12, 2010
The flashing Check Engine or Service Engine Soon Light is not a knock sensor code, that is a Misfire Code. read this - > http://repairpal.com/misfire-what-does-it-mean you may also have a knock sensor code, but that will NOT make your CEL flash on a 1996 car. By the way, how is your oil level?
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