Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum - View Single Post - bad gas mileage before and after tune-up

BigVinnie · 03-30-2006, 07:16 PM

Could be anything. I would check the TPS and make shure that it hasn't moved from it's stock settings. If timing is advanced or retarded to far it could also decrease gas mileage since the cams aren't properlly alighned.

03-30-2006, 07:16 PM	#2
BigVinnie Zilvia FREAK! Join Date: Apr 2003 Location: Walnut Crizzle, Crackifornia Age: 46 Posts: 1,266 Trader Rating: (0)	Could be anything. I would check the TPS and make shure that it hasn't moved from it's stock settings. If timing is advanced or retarded to far it could also decrease gas mileage since the cams aren't properlly alighned.