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Oil light is on after change

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Old 12-20-2019, 06:57 AM
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Oil light is on after change

Just had the oil changed last week, and the info center says the level is at 99% so I assume that means the mechanic reset the system properly, yet now my oil light is coming on. It appears to be full when I check the dipstick, but that's about the end of my mechanical abilities and knowledge, haha, so I thought I'd ask you folks what you think. Didn't want to rush it back to the mechanic if it wasn't necessary to. Thanks in advance!
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Old 12-20-2019, 07:20 AM
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You mean the oil life shows 99% remaining.
the dip stick is showing correct level, the oil light would indicate low oil pressure.
are you sure they changed the oil filter?
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Old 12-20-2019, 07:29 AM
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If the oil light stays on and the dipstick shows full, DO NOT drive it. In fact, don't even start the engine up.
Have it towed to the shop.
If there is no oil pressure, it doesn't take long to cause major engine damage or complete engine failure.
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Old 12-20-2019, 07:45 AM
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I would look at the wires connecting to the oil pressure sensor. It is just below the oil filter. If they are damaged or loose you can drive to the mechanic that did the change.
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Old 12-20-2019, 08:12 PM
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Originally Posted by Oldblue
You mean the oil life shows 99% remaining.
the dip stick is showing correct level, the oil light would indicate low oil pressure.
are you sure they changed the oil filter?
Yes, it's at 99% full. Yes, he changed the filter.
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Old 12-20-2019, 08:14 PM
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Originally Posted by firemangeorge
If the oil light stays on and the dipstick shows full, DO NOT drive it. In fact, don't even start the engine up.
Have it towed to the shop.
If there is no oil pressure, it doesn't take long to cause major engine damage or complete engine failure.
It was going off after a few minutes yesterday, then it stayed on when I drove to work this morning, and then it didn't come on on the way home. I'm going to run it to the guy on Monday, because I'm definitely concerned about the engine.
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Old 12-20-2019, 09:33 PM
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Originally Posted by HisAndHearse
Yes, it's at 99% full. Yes, he changed the filter.
Is the oil on the dipstick clean & clear like golden honey ?
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Old 12-21-2019, 09:06 AM
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Originally Posted by sleeper
Is the oil on the dipstick clean & clear like golden honey ?
Yes, it appears to be clean and clear. It was done about a week ago.
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Old 12-21-2019, 10:01 AM
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Assuming you have driven the car to get home, so did you noticed any unusual noises coming from the engine?

How soon after you picked up your HHR did the light come on?

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Old 12-21-2019, 10:55 AM
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Do you have the check engine light on when the engine is running ?
If so and someone has a code reader you might have fault code P0521 which would indicate a bad oil pressure sender.
or the wiring to it.


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