Ok, so I THOUGHT the mileage was pretty crappy on this car... dash only reads 17.6MPG AVG. This morning the SES goes off and throws an insufficient switching code.
What's the best O2 to drop back into the car? Are the cheapo AZ bosch sensors ok, or do I need to get something else?
What's the best O2 to drop back into the car? Are the cheapo AZ bosch sensors ok, or do I need to get something else?