Check Engine Light due to faulty oxygen sensor on Porsche 911

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

RepairPal Verified
Average mileage: 98,000 (98,000–98,000)
9 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998
11 people reported this problem
1 person shared problem details
1990 Porsche 91198,000
Engine light comes on
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