Q: Check engine light on.
First trouble code P0125, Coolant temperature sensor. Second code P1130, upstream oxygen sensor. Truck runs fine, no hesitation or rough idle. Do you think I should just replace the temp. Sensor and see if the CEL stays off or go ahead and change both or possibly just the oxygen sensor? Thanks for any suggestions. Mr. Kris Wendt
My car has a manual transmission.
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