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Standard Map Sensor Fuel Cut Issue 

 

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 Post subject: Standard Map Sensor Fuel Cut Issue
Posted: Wed Sep 23, 2009 9:12 pm 
Tyre Shredder
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Age: 32

Posts: 324

Joined: 23rd Apr 2006

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Ride: EF II TickMont, BA XR6T

Location: Adelaide - Whyalla
SA, Australia

i havent read into this much, fairly new to the boosted side of things,
i am using a EF II fairmont as my turbo daily
and problem i have is the 10 psi fuel cut on the map sensor,
is their any way to change or trick this to get over the 10 psi mark to possibly 12 - 14 psi without too much hassle with the stock chipped ECU
i have been told i can get an XR6T map sensor and use that but being a B series going to an E i dont know how they would talk to eachother

is it all at a loss or would i have to jump to an aftermarket fuel / spark ecu

 

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Current Ride - Phantom BA XR6 Turbo
EF II Fairmont Tickford Optioned, J3 Chip, Converted To 5 Speed
R.I.P. Nelly .... My NL V8 Fairlane..... Totaled by a kombivan

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 Post subject: Re: Standard Map Sensor Fuel Cut Issue
Posted: Wed Sep 23, 2009 9:18 pm 
Getting Side Ways
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Age: 29

Posts: 516

Joined: 27th Oct 2007

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Ride: ef xr6 turbo

Location: whyalla
SA, Australia

Some people put a one way valve in the vacuum line to allow vacuum but not boost to go through to the map. Maybe someone can expand on this

 

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there are a few falcons in my drive way, some of them are turbo charged and some arent, some have big engines and some are small but they all have one thing in common and that is the blue oval on the front

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 Post subject: Re: Standard Map Sensor Fuel Cut Issue
Posted: Wed Sep 23, 2009 9:54 pm 
Getting Side Ways
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Age: 38

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Ride: FALCON EB TURBO, EL XR6

Location: Sydney
NSW, Australia

I used a one way valve from the falcon brake booster. It will also need to bleed off vacume between the valve and the map (equalise to atmospheric pressure), so just incase there is a quick change from vacume to boost and the valve shuts off there will be no vacume left in the line giving the map a false reading. I did this by putting a tiny hole (pin size or smaller) in the fitting that i used to take the larger diameter of the booster valve, down to the size of the rubber line going to the map. Hope this helps.

 

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 Post subject: Re: Standard Map Sensor Fuel Cut Issue
Posted: Wed Sep 23, 2009 11:27 pm 
Getting Side Ways
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Age: 64

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Power: 482 rwkw

Location: Penrith
NSW, Australia

Dangerous to engines durability though..
Stinger's EMS go for under $1k..

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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 Post subject: Re: Standard Map Sensor Fuel Cut Issue
Posted: Thu Sep 24, 2009 11:51 am 
Moderator
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Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

ill admit i tried cheating with boost and tuning at first with adjustable fuel reg ,factory ecu ect..
and the results i got were ok..(still did the job)

but going to the ems ecu was the best thing ive done.. :)
with the ability to have it tuned or tune it your self via lap top..
even off boost the car has better throttle responce and power than it did with the factory ecu..
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