I have a '97 Discovery with 174k miles, and have noticed it will run much higher temps with the A/C switched on. I've also noticed that in just about every instance that it runs higher temps, the electric fan isn't running when I switch off the engine. Usually, the fan will run for a short...
I am pulling a P1193 code, which translates into "Oxygen Sensor Heater Circuit Open Downstream". Should I stick with an OEM sensor, or will I be OK with an aftermarket replacement?
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