Quote:
Originally Posted by seattle
Extra power is definitely there, especially appreciated during passing and uphill.
...but MPG.. not so much. Maybe because I am finding myself pushing the pedal more any chance I get. There is probably some MPG gains but not likely more than 1mpg.
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I just went ahead and ordered a couple of used sensors. Got both the 415mm and the 915mm for ~$100. Will update to bookend the thread after installed.
As a caveat to the nox sensor, I just noticed some fluid under the truck... it's blue.

So I guess I'll be tracking an coolant leak now. Fingers crossed it's not the water pump. Not having a temperature gauge in the truck really adds a level of "excitement" to a coolant leak.