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Efll suddenly dies at part throttle 

 

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 Post subject: Efll suddenly dies at part throttle
Posted: Thu Nov 24, 2016 10:38 am 
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Age: 44

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Joined: 23rd Nov 2016

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Ride: Ford Ef2 fairmont Ghia

Location: Oxford
New Zealand

Hi guys
I have extensively modified EFll Fairmont. 4.0 au block EF tickford head holset hx35 45 mm waste gate 3" exhaust 42lb injectors walbro 255 pump with xr6 regulator TI performance chip tuning plus shift kit
If I was to say mum was driving it's fine doesn't skip a beat. Lol.
But when dad takes her out and give it the loud pedal it suddenly dies till I back throttle off
afr gauge suddenly goes to 22.1 I've gone through checked the sort of things that I'd think and been on here reading few forums and changed what you would expect new coil pack. New leads. New plugs. New fuel filter Metered TPS sensor appears fine no check engine lights come up which I thought would have if was sensor fault ie. TPS. MAP I have replacement fuel reg but haven't changed as yet cause most people say the rich in not lean I seem to be chasing my tail Thinking pump but that's not that old but doesn't mean it can't fail Any ideas would be greatly appreciated
I'm old school 302 Windsor 64 Fairlane 4 Spd manual
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 Post subject: Re: Efll suddenly dies at part throttle
Posted: Thu Nov 24, 2016 12:07 pm 
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Age: 59

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Ride: EF Fairmont

Location: Campbelltown
NSW, Australia

fordhead64 wrote:
Hi guys
I have extensively modified EFll Fairmont. 4.0 au block EF tickford head holset hx35 45 mm waste gate 3" exhaust 42lb injectors walbro 255 pump with xr6 regulator (Are you saying that it has a 300kpa Fuel Reg?) TI performance chip tuning plus shift kit
If I was to say mum was driving it's fine doesn't skip a beat. Lol.
But when dad takes her out and give it the loud pedal it suddenly dies till I back throttle off afr gauge suddenly goes to 22.1 (Fuel is leaning out.)(Normal AFR on an NA is 14.7, you need to be below this for a boosted engine)

I've gone through checked the sort of things that I'd think and been on here reading few forums and changed what you would expect new coil pack. New leads. New plugs. New fuel filter Metered TPS sensor appears fine no check engine lights come up (There are no Check Engine Lights on an EF) which I thought would have if was sensor fault ie. TPS. MAP I have replacement fuel reg but haven't changed as yet cause most people say the rich in not lean (?) I seem to be chasing my tail Thinking pump but that's not that old but doesn't mean it can't fail Any ideas would be greatly appreciated
I'm old school 302 Windsor 64 Fairlane 4 Spd manual

 

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 Post subject: Re: Efll suddenly dies at part throttle
Posted: Thu Nov 24, 2016 12:22 pm 
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Age: 44

Posts: 2

Joined: 23rd Nov 2016

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Ride: Ford Ef2 fairmont Ghia

Location: Oxford
New Zealand

Hi yes is a 300kpa reg And yeah fuel leaning out to maximum of gauge reading. on average driving sits on 14. Foot down 9 Unless it dies Lol that be why I never seen check engine light I'm just going on what I read on here the cars been built and going for few years I didn't build it myself but has been on dyno 305 kW And drove mint up until 2 months ago
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