When does the oil pressure warning light go off?
At engine speeds below around 1800 RPM, the computer ignores the high pressure switch and the system behaves pretty much the same as the older system, except the oil light flashes instead of just coming on steady.
How do you check the oil life on a Chevy?
For third generation models (2014-2015): Step 1: Insert key into the ignition and turn the vehicle to the “ON” position. Do this without starting the vehicle. Step 2: Press the left arrow button on the right side of the steering wheel. Step 3: Select the “INFO” option. Step 4: Scroll up until you find “OIL LIFE” and select it.
Why does the low oil light come on?
If the Low Oil Light comes on, but you check the oil in the engine and it’s at a good level, then a faulty oil pressure sensor may be to blame. When this sensor goes bad, it will start to give inaccurate readings. After the readings fall out of specification, a warning light is set.
What does the GM oil life monitor ( OLM ) mean?
If you have any doubts as to what the GM Oil Life Monitor (OLM) system means or what services your vehicle may need, do not hesitate to contact our experienced professionals for advice.
Is there an oil change light on my GMC?
Oil lights have been a standard feature on Chevy and GMCs for years. Newer Chevys will have a built in Vehicle Information Center (VIC), but older models don’t. If your GMC is 2006 or newer, it comes with the GM Oil Life System.
Why does my diesel truck have a check engine light?
One of the most common reasons for seeing the check engine light on a diesel truck is the aftertreatment system. Diesel trucks have nitrogen oxide (NOx) sensors that measure what your car is putting out into the environment.
How does the Check Engine oil level light work?
Just like the windshield washer level indicator, it is only a mechanical switch. When liquid is added and the level rises, the switch turns off. You have damaged the contact/wiring/plug and the level system is indicating low. that is what I believed originally, Ray, but wanted to be sure. Are you aware of any dedicated fuse for that function?
How does the GMC oil life system work?
The GMC Oil Life System (OLS) system is not a simple oil quality sensor, but a software-based, algorithm-driven device that takes into account various operating conditions of the engine to determine when the oil needs changing.