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Old 21 Mar 2014, 09:46 am
AMZ AMZ is offline
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Default 2009 Acura MDX: Check Oil Level light?

I have a 2009 Acura MDX. Yesterday as I was driving on the highway (going about 70 mph) up a little hill, the oil light, along with a beep and check oil level flickered as soon as the RPM reached 3,000. When I let go of the gas pedal, it disappeared. (Mind you, I was driving about an hour before this occurred ) I got off an exit, (knowing my car has to settle before checking the oil, went to get something to eat (~20 minute wait) I checked my oil level, consistency, color, and smell, everything appeared to be normal. I got back on the highway (I had 2 more hours to reach my destination) In those 2 hours, this problem appeared about 5-6 times. As I was about to leave to go back home, I started up my car, and this time my oil light and check oil level light appeared and STAYED on. I drove my car for about 3-4 minutes with the light still on, and decided to pull over. I turned off my car, waited a while, then turned it back on, and the lights disappeared. With the 3 hour drive home, both lights flickered about 12 times all the way home.

So, what could the problem be? I was doing some research when I got home, and was reading about a fault in the "Oil Pressure Switch"?

**One more thing to add, I started up my car. (I live in upstate NY with colder temps). I noticed when the car is cold, the light stays on, as it warms up, the light goes off.
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Old 21 Mar 2014, 10:03 am
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sounds like a bad sensor to me.
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Old 21 Mar 2014, 10:20 am
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Typically the oil level and oil pressure sensors are two separate sensors. Your oil may not be returning to the crank case in a reasonable amount of time. Run it hard for a while and then immediately stop and check the oil. If it is below add and at the correct level when setting, the oil is not returning to the crank case quick enough and you will do serious damage to the engine if you continue to run it. If that is OK, you should put a mechanical oil pressure gauge on it and see what you get. Low oil pressure will ruin an engine quicker than running it hot. My son recently bought a truck. When he first went to test drive it, the oil pressure gauge would drop to zero on hard acceleration. He went back a day later, but a mechanical gauge on it and it ran fine. He bought the truck. The oil pressure sensor was bad.
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Old 21 Mar 2014, 10:31 am
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Call your Acura dealer with the VIN number, there is a TSB (Technical Service Bulletin) for this issue. Basically an updated oil level sensor need to be replaced.

Edit: Read this also:


Hope it help. HTH
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