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Fuel usage readings all wrong after ecu change? 

 

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 Post subject: Fuel usage readings all wrong after ecu change?
Posted: Thu May 13, 2010 9:48 am 
Stock as a Rock
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Posts: 156

Joined: 30th Jun 2008

Location: Melbourne
VIC, Australia

Switched to EL manual ecu (car is factory eb2 auto) with j3 chip. Now at idle, it read 99l/100km, and while sitting around 1900rpm reads ~58-59L/100km. I know it's not actually using this much for obvious reasons :P

Is there any way to fix this?

 

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1: Mum's car: ED XR6 wagon.zorst,stereo
2: My cars: Holden Monaro CV8-Z 2005. ls1 v8 :)
3: Nissan 180sx.sr20det, ~180rwkw.Lotsa mods,0-100 in 5.2secs.crashed into pole :(
4: EB2 Fairmont. 5spd,2.5" zorst,hi-flow cat,extractors,wade977b,j3, plus a 152dB 200psi train horn

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 Post subject: Re: Fuel usage readings all wrong after ecu change?
Posted: Thu May 13, 2010 12:40 pm 
Getting Side Ways
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Age: 54

Posts: 844

Joined: 12th Aug 2007

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Ride: AU2 XR8 ute & 91 EA bitsa

Location: Melbourne
VIC, Australia

Have you modified the wiring at all? Here's a link that might be handy:

post1055442.html?hilit=el%20ecu%20ed%20trip#p1055442

 

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