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Light is supposed to come on as soon as the ignition key is turned on. It should not take 20 seconds for the oil pressure to reach enough pressure to turn the light off. Change brands of oil filers you are using and make sure you are using the correct weight oil for this engine. Try a Purolator. If that doesn't help, check the oil pressure sending unit. It that checks out OK, have the oil pressure checked to see if there is a problem with the oil pump.

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โˆ™ 2005-09-29 18:06:13
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Q: Oil Pressure light goes on when you cold start your carbut goes off about 20 seconds later why?
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1 light year = 31,556,926 light seconds.

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Because light travels faster than sound.

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About 1.5 light-seconds to the Moon.

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Well, let's say it's the fourth of july. you go to a park to see fireworks. You see the colors of the fire works, then seconds later, you hear the loud boom. The light (colors) came first, then seconds later, (barely two or three) you heard the sound. This is how you can tell.

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