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edhtrd71 · 03-05-2012, 01:29 AM

How many gallons is it taking to fillup? It is pretty common for fuel level sensors to fail and cause an erratic gauge. Is it shifting erratically, mass air flow sensors get dirty or start to fail and cause crazy fuel ratios and the trans to shift erratically.

03-05-2012, 01:29 AM	#3
edhtrd71 Registered User Join Date: Jan 2011 Location: Edinburg, Texas. Posts: 194	Re: 05 2500HD with 6.0 BAD MPG, HELP How many gallons is it taking to fillup? It is pretty common for fuel level sensors to fail and cause an erratic gauge. Is it shifting erratically, mass air flow sensors get dirty or start to fail and cause crazy fuel ratios and the trans to shift erratically.