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96 Xh ute high idle 

 

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 Post subject: 96 Xh ute high idle
Posted: Fri Mar 24, 2017 11:31 am 
Fordmods Newbie
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Age: 27

Posts: 2

Joined: 23rd Mar 2017

Ride: ford falcon xh ute

Location: Emerton
NSW, Australia

hey guys..got meself a 96 falcon xh ute..el style one..4 litre..went through 3 different mechanics and auto sparkies..none could figure out the problem..it idles at 2500 revs all the time..last bloke changed map sensons tps throttle body throttle idle and a whole heap of stuff..but still idles very high..if you unplug one of the sensors it will idle low again but starts blowing out black smoke n runs really rough..any ideas?
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 Post subject: Re: 96 Xh ute high idle
Posted: Fri Mar 24, 2017 12:52 pm 
Stock as a Rock
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Age: 64

Posts: 142

Joined: 4th Feb 2016

Location: australia
VIC, Australia

The engine can only rev like that if it is getting air from some where. If the throttle plate is closed, idle speed control valve port closed, remove the air duct off the throttle plate and stick your finger inside over the hole and the idle will drop right down if it is stuck open. Air in that volume can only come from brake booster hose, or from the pcv valve, or hose on the cam cover or on the inlet manifold underneath where it connects.
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 Post subject: Re: 96 Xh ute high idle
Posted: Fri Mar 24, 2017 3:32 pm 
Fordmods Newbie
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Age: 27

Posts: 2

Joined: 23rd Mar 2017

Ride: ford falcon xh ute

Location: Emerton
NSW, Australia

hey thanks mate i did that and the idle dropped down immediately as per normal..whats actually happening though how do i fix tht problem
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