Quote:
Originally Posted by cascadiarunner
Long story short a rodent chewed an injector cable and fried my ECM. I got it replaced and I've lost about 2.5 MPG average since. It's been about a month and I've probably driven 1,000 miles or so. Also got the spark plugs replaced at the same time.
I know correlation =/= causation but the timing seems to indicate something related. Anyone ever heard of anything like this or have any ideas?
Thanks!
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Try resetting the average MPG. Sometimes there is some old data in the memory that makes the reading look low to what it really is.