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What does p0521 mean on a Chevy Silverado?

What does p0521 mean on a Chevy Silverado?

P0521 Quick Facts 1 Most often caused by an issue with your Silverado’s oil pressure sensor or circuit 2 P0521 should be taken very seriously 3 The most common symptom is the oil light or an improper oil pressure gauge reading 4 Easy to diagnose

What does low oil pressure code p0521 mean?

I am having the dreaded low oil pressure code P0521. The oil pressure on the gauge starts off normal until the engine warms up then drops to around 20 PSI when at normal driving speed. But at an idle it drops to around 8 -10 PSI and causes the check engine light to illuminate. I have removed the fil…

What should I do if I get DTC code p0521?

Replacing the sensor/sender will be the most likely repair for this code. If it checks out OK, test the wiring and connectors from the sensor to the PCM. Verify there are no breaks in the wiring due to chafing, pinching, etc. Make sure the electrical connectors are tight and corrosion free.

What is the oil pressure sensor on a Chevy Silverado?

Hello, I have a 2009 Chevy Silverado with the 6.0. I continually have my check engine light coming on and have taken the truck to two different GM dealers. Same code every time, 521 Oil Pressure. They have changed the oil pressure sensor and filter, checked the oil pressure in the truck telling me Hello everyone, I need help!

P0521 Quick Facts 1 Most often caused by an issue with your Silverado’s oil pressure sensor or circuit 2 P0521 should be taken very seriously 3 The most common symptom is the oil light or an improper oil pressure gauge reading 4 Easy to diagnose

When does the ECM set the p0521 code?

The P0521 code is set when the ECM detects the voltage value is either higher or lower than the specified acceptable range of oil pressure. This code can also be set when the engine detects constant fluctuation of the oil pressure value.

What does the p0521 code on the oil pressure sensor mean?

The oil pressure sensor calculates the oil pressure of the vehicle’s engine. This is then communicated to the ECM in the form of a voltage value. The P0521 code is set when the ECM detects the voltage value is either higher or lower than the specified acceptable range of oil pressure.

What’s the 5.3 code on my Chevy Silverado?

Hello, I’m working on a 2011 Chevy Silverado with 5.3. It was previously salvaged for hail damage so dealer says no warranty. It keeps popping up cel and code p0521. The sensor has been replaced, the screen has been replaced, the relief valve was replaced by dealer.

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Ruth Doyle