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Check engine light / oil preasure ?

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Old December 30th, 2023, 2:43 PM
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Default Check engine light / oil preasure ? 2012 silverado 157,000 miles
Any one see this before? Sensor?


Last edited by kmny; December 30th, 2023 at 3:06 PM. Reason: ?
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Old December 30th, 2023, 2:56 PM
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It could be the sensor. It could be the screen under the sensor needs cleaning. It could be too low on oil. It could be the engine is worn out. You don't say the age of the engine or the mileage on it.
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Old December 30th, 2023, 3:09 PM
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Originally Posted by oldchevy
It could be the sensor. It could be the screen under the sensor needs cleaning. It could be too low on oil. It could be the engine is worn out. You don't say the age of the engine or the mileage on it.
2012 157,000 miles
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Old December 31st, 2023, 10:29 AM
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The real question is if the proper maintenance was done at the correct times. Oil and filter changes are super important and need to be done at the proper intervals.
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Old December 31st, 2023, 1:13 PM
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Is there an oil pressure guage on the dash - what does it read?
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Old December 31st, 2023, 3:37 PM
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Originally Posted by Rednucleus
Is there an oil pressure guage on the dash - what does it read?
digital like pic shows dashes normal should have number of psi
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Old December 31st, 2023, 5:22 PM
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Did you run a diagnostic scan to see why the CEL is on?
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Old January 14th, 2024, 2:04 PM
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Po521 and po523 codes
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Old January 14th, 2024, 4:44 PM
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Follow all these "diagnostic and repair steps":

https://www.obd-codes.com/p0521
https://www.obd-codes.com/p0523

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