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over revving 

 

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 Post subject: over revving
Posted: Tue Nov 08, 2016 8:39 am 
Oompa Loompa
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Age: 26

Posts: 24

Joined: 24th Sep 2016

Ride: EF falcon AU motor

Location: kambalda west
WA, Australia

any help would be appreciated when i start up my EF falcon with a AU motor it just revs at 4000rmp and doesnt stop all vac hoses are conected and no leakes and ive tryed disconnecting the battery with no luck but all i can think of is the throttle position sencor any other suggestions
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 Post subject: Re: over revving
Posted: Tue Nov 08, 2016 2:38 pm 
Stock as a Rock
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Age: 31

Posts: 132

Joined: 18th Oct 2009

Gallery: 5 images

Ride: EF xr6 AU3 220kw xr8

Location: frankston
VIC, Australia

Hey Davo,

i posted a reply in your last thread.

Any questions about it, just ask and i will be happy to help

 

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 Post subject: Re: over revving
Posted: Tue Nov 08, 2016 3:26 pm 
Technical Contributor
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Age: 59

Posts: 6794

Joined: 22nd Jun 2005

Gallery: 8 images

Ride: EF Fairmont

Location: Campbelltown
NSW, Australia

davo1990 wrote:
any help would be appreciated when i start up my EF falcon with a AU motor it just revs at 4000rmp and doesnt stop all vac hoses are conected and no leakes and ive tryed disconnecting the battery with no luck but all i can think of is the throttle position sencor any other suggestions


Doubt it, you have a leak somewhere on the intake side. Try pouring water over where the intake manifold bolts to the head. If the revs drop, your intake manifold gasket is stuffed.

Check all your Vac hoses again, heater tap, MAP, Fuel reg, Brake Booster, etc.

 

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South West Customs


Members of the SWC Stable, fordebgt93, TROYMAN, Benj, svo_matt, Mrs C, eb_fairmont, Total_tool, Terroristghia

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 Post subject: Re: over revving
Posted: Tue Nov 08, 2016 11:26 pm 
Stock as a Rock
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Age: 33

Posts: 112

Joined: 27th Apr 2011

Gallery: 6 images

Ride: ea falcon

Location: tanilba bay
NSW, Australia

Idle control valve stuck wide open?

 

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EA falcon(S-Pac) AU engine and injector's, EL BBM conversion,K&N pod,EL ECU,T5 5speed,EL Streering rack, EL Brake system, Extractor's 2 1/2in high flow cat, through 2 1/2in mandrel bent pipe with Lukey Performance muffler

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 Post subject: Re: over revving
Posted: Wed Nov 09, 2016 9:21 pm 
Getting Side Ways
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Age: 53

Posts: 813

Joined: 12th Aug 2007

Gallery: 14 images

Ride: AU2 XR8 ute & 91 EA bitsa

Location: Melbourne
VIC, Australia

Check your accelerator cable. If it is tight or has a frayed wires, that can cause the problem too.

 

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AU2 XR8 with Raptor VL, ported Yella Terra GT40P heads, Scorpion 1.6 RRs, XE264HR-14 Comp Cam, ceramic coated Hurricane Headers, 60lb injectors, Walbro 255L/H fuel pump, 200cfi cats, 3" exhaust & Snow Performance water methanol injection

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