2016 Kia Soul
Got oil changed last week. Now my oil pressure light blinks when i apply brakes. Checked the oil & its above the full line. Took it back to oil change shop & mechanic checked oil level & said its ok but maybe my oil sending unit is failing.
That’s usually the problem 99.99% of the time.
Tester
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Is it on to drive 35 more miles to dealer or should i have it towed there?
Is it Ok to drive?
If the engine isn’t making any unusual noises, it should be fine to drive.
Tester
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Ask your shop to measure the oil pressure w/their shop gauge. I’m guessing the oil pressure sender electrical connection got bumped during the recent oil change, but if you’re not certain have the vehicle towed to the shop for an oil pressure test. Once you know the oil level and oil pressure are both ok, then you’ll be able to worry a little less while the problem is being solved. It’s possible you’ve got an actual oil pressure problem. when you apply the brakes that causes the engine to rev at its minimum rpm, and that is when an oil pressure problem will often first show itself. One time the oil level got a quart and 1/2 low on my Corolla and I noticed it when the oil pressure warning light came on at the first stop sign.
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It is possible that the car doesnt like the filter brand they used assuming its not a Hyundai official filter . A simple thing would be get a Hyundai filter and replace whatever they used but I assume someone did it for you . If it wasnt done at a Hyundai dealer then myself I would go to a Hyundai dealer and have them change the filter and see if that helps the situation .
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I’m guessing the oil pressure sender electrical connection got bumped "
That’s exactly what happened to me last year, when troubleshooting a fuel pump problem on my 79 Celica. I was hoping that the oil pressure switch for the fuel pump circuit was faulty. In removing the wiring, I dislodged the connector for the oil pressure sender (to the gauge). Instead of a blade type connector, it had a connector with a hole which slides onto the mating connector on the sender which has a ball-type protrusion. Didn’t take much to dislodge it. Oh, yeah, I had to replace the fuel pump with a NAPA one.
The problem could be a defective oil filter and the oil change place should have suspected that. They could replace the filter and add a little oil to make it up. The filter is FAR more likely to be the problem than the sending unit and no, you should not drive it, you don’t have enough oil pressure.
Edit, it they had bumped or otherwise disconnected the oil pressure sending unit, the oil light would be on all the time and it would have been on when leaving the shop.
One of my former colleagues actually ruined his VW engine by using a “white box” engine oil filter instead of a quality filter