Bad mpg

s300 and SManager software questions & answers
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mrspades252
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Joined: Wed Dec 23, 2015 2:32 pm

Bad mpg

Post by mrspades252 »

Whats up guys, so i recently got my car dyno tuned, and also noticed that I am only getting 20mpg on the highway... Can someone take a look at my closed loop settings to see if its normal? How does the tune file look?
tuna.skl
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DATA.s3d
datalog
(1.48 MiB) Downloaded 91 times
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Spunkster
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Joined: Fri Sep 20, 2002 5:06 pm
Location: Hondata

Re: Bad mpg

Post by Spunkster »

You will get low mpg if you are driving the car hard. Have you discussed the issue with your tuner?
mrspades252
Posts: 10
Joined: Wed Dec 23, 2015 2:32 pm

Re: Bad mpg

Post by mrspades252 »

Yes I have spunkster, i shot him a text about a week ago.. i was just wondering on your thoughts on how the tune looked and closed loop settings... what are your thoughts?
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Spunkster
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Posts: 22737
Joined: Fri Sep 20, 2002 5:06 pm
Location: Hondata

Re: Bad mpg

Post by Spunkster »

Based on the Datalog it does not appear to be running in closed loop as there is no long or short term trim.
mrspades252
Posts: 10
Joined: Wed Dec 23, 2015 2:32 pm

Re: Bad mpg

Post by mrspades252 »

hmm thats weird... the calibration shows that there is a long/short fuel trim.. it is on closed loop... i would assume that my wideband has been damaged.. i also forgot to mentioned that the wideband randomly goes lean and shows - - - (aem uego). That is strange....
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