CHECK ENGIN LIGHT/ 98 E class 4X wag /50,000
Check engin light came on, i scanned it and code # P0173 = fuel trim / malfuntion came up. i erased code and 8 miles later light was back on! all this and car runs great! scanned it again same code.
does anybody know what (fuel trim) is or means? also what part died?
thanx, BB
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