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EF EEC5 J3 Closed Loop 

 

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 Post subject: EF EEC5 J3 Closed Loop
Posted: Sat Mar 14, 2009 9:28 am 
Getting Side Ways
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Posts: 836

Joined: 1st Apr 2005

Gallery: 4 images

Ride: EF XR6 Wagon, AU2 XR6 VCT

Power: 148 rwkw

Location: Auckland
New Zealand

I am looking at J3 chipping my EF XR6, but want to make sure it is worthwhile. I know there are gains at WOT, but 99% of driving is not at WOT. I am interested especially in part-throttle output and efficiency. If the ECU is operating in closed loop most of the time, and the fuel is determined only by the oxy sensor, without reference to the maps, then chipping should make no difference.

1) When does an EF XR6 operate in closed loop? (eg, throttle position, load, etc)

2) Does closed loop control fuel only? or also ignition timing?

Sorry about the basic questions, but I am a newb at ECU programming, so go easy on me :?

Thanks for your help.

 

_________________

95 EF XR6 wagon, 17" FTRs, DBA, QFM, KYB/Koni, AU block, ported EF head, SS Inductions, Territory intake, MLS gasket, milled, Franklin RH24B cam, Coby headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip

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 Post subject: Re: EF EEC5 J3 Closed Loop
Posted: Mon Mar 23, 2009 8:51 pm 
Getting Side Ways
Offline

Posts: 836

Joined: 1st Apr 2005

Gallery: 4 images

Ride: EF XR6 Wagon, AU2 XR6 VCT

Power: 148 rwkw

Location: Auckland
New Zealand

Anyone have any ideas or can tell where I can read up on this?

Thanx muchly.

 

_________________

95 EF XR6 wagon, 17" FTRs, DBA, QFM, KYB/Koni, AU block, ported EF head, SS Inductions, Territory intake, MLS gasket, milled, Franklin RH24B cam, Coby headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip

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 Post subject: Re: EF EEC5 J3 Closed Loop
Posted: Mon Mar 23, 2009 9:13 pm 
Getting Side Ways
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Age: 28

Posts: 4326

Joined: 30th Oct 2006

Gallery: 18 images

Ride: Envi EF

Location: Grafton
NSW, Australia

Would be best to pm galapogos01 or ask in his J3 thread, Im sure he'd have a very good idea.

 

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>>>EF Futura T build<<<

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 Post subject: Re: EF EEC5 J3 Closed Loop
Posted: Mon Mar 23, 2009 9:19 pm 
Getting Side Ways
Offline

Posts: 836

Joined: 1st Apr 2005

Gallery: 4 images

Ride: EF XR6 Wagon, AU2 XR6 VCT

Power: 148 rwkw

Location: Auckland
New Zealand

Thanks, krisisdog. Will do.

Cheers

 

_________________

95 EF XR6 wagon, 17" FTRs, DBA, QFM, KYB/Koni, AU block, ported EF head, SS Inductions, Territory intake, MLS gasket, milled, Franklin RH24B cam, Coby headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip

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 Profile  
 
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