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
12 people reported this problem
1 person shared problem details
1990 Porsche 91198,000
Engine light comes on
Related Items:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "
The Check Engine Light went on a few times and stayed on. Took the car to dealer and each time...
I had my water expansion tank replaced, two weeks later the CEL lit and had the Porsche Dealers...
If the engine won't turn over or cuts out at seemingly random times, it may be a failing relay...

Related Content