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Troubleshooting new to me Yukon XL 4WD PO codes
Hi Folks: I just aquired an 07 Yukon XL with 123k on the clock. We drove it 250 miles with no issues, now getting a few complications. Wanted some opinions.... PO521 - Engine Oil Sensor. Seen this a few places. Figure I need to replace the oil presssure sensor and clean the screen. Oil...- ScotDail
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- Replies: 3
- Forum: Engine & Drivetrain
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