04 Hyundai Santa Fe 2.7l, I been trying to get the O2 heater monitor to set for weeks now no luck. On weekends I take 2 hour trips still no luck. No CEL and in July I changed the battery. I live in CA and all monitors must set or no registration renewal which is in Jan 2021. I tried to do my due diligence with researching the problem, very little information available that I found for this vehicle. Most said changing the 4 O-2 sensors did not help them. Can anyone help me as this car runs great low mileage and is always garaged.
- This topic was modified 3 months ago by Lady DI.
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