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Oil Pressure Sensor - P0521, P0522, P0523
I (really my wife) have a 2007 GMC Yukon SLT. Her oil gauge has been "dancing" around. I have a CEL with the codes listed in the post description. The needle will peg out at 80 and drop to 0. The warning message comes on when the needle drops to 0. I checked the oil and it's fine. The...- jrsherfy
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- Replies: 8
- Forum: Engine & Drivetrain
