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Porsche 911 Problems

Check Engine Light due to faulty oxygen sensor on Porsche 911

Problem Description and Possible Solution

Check Engine Light illumination and performance issues can be caused by oxygen sensor faults.

(12 people reported this problem)

Porsche 911 Vehicles With This Problem

RepairPal Verified
Average mileage: 98,000 (98,000–98,000)
9 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998
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