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Ford Nl Fairlane Over Revving 

 

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 Post subject: Ford Nl Fairlane Over Revving
Posted: Mon May 06, 2013 10:53 pm 
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Age: 32

Posts: 17

Joined: 19th Apr 2013

Ride: ford NL

Location: gisbourne
VIC, Australia

hey
i have a Nl fairlane with a rebuilt 6 in it with gas and a T5 gearbox..
it has a 1.6.7.5 cam in it..
Extractors 2.5" exhaust... k&n filters
also at the same time got a new coil plugs leads the TFI unit was changed about 6 months ago

also it was rebuilt with a eb block so the knock sensor cant be plug in...
worked just fine for a month or so..

But one day started to over rev all by itself, anywhere from 2500rpm to 3000rpm
i have replace the ICS with a few different ones even one off my other car... nothin
also change the TPS the black thing on the throttle body... with another 3 different ones
and tried one map sensors .....

and its still over revving...

i got told to change the throttle body coz that could be the problem still nothin/ NO change
even taken the battery out a few times but nothin....

ATM the only way to use the car is to leave the ICS sensors unplug .....

doe anyone have any idea whats going on...??????
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 Post subject: Re: Ford Nl Fairlane Over Revving
Posted: Mon May 06, 2013 10:58 pm 
Smokin em up
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Age: 23

Posts: 201

Joined: 24th Aug 2012

Ride: 1987 telstar/2004 BA XR6 5spd

Location: Newcastle
NSW, Australia

maybe a vacume leak?
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 Post subject: Re: Ford Nl Fairlane Over Revving
Posted: Tue May 07, 2013 12:32 am 
Fordmods Newbie
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Age: 32

Posts: 17

Joined: 19th Apr 2013

Ride: ford NL

Location: gisbourne
VIC, Australia

hey
cant hear one ATM there were all new gas kits when the motor was built and work well for about a month then stop the other day.. where could i get a vac leak check the manifold about 2 times to make sure its not from there..

i have even changed ECU's with my other car and that didn't help i put the ECU and sensors i pull off the car over revving and put them back on my other car that one still works fine???

thanks
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 Post subject: Re: Ford Nl Fairlane Over Revving
Posted: Thu May 09, 2013 2:44 am 
Smokin em up
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Age: 23

Posts: 201

Joined: 24th Aug 2012

Ride: 1987 telstar/2004 BA XR6 5spd

Location: Newcastle
NSW, Australia

get some " start ya basterd " or some carb and throttle body cleaner and spray the vac tree at the back top of the manifold..there is also a plastic F piece under the throttle body that can crak spray that too and if the revs change you will have found a leak...or if in doubt spray every vac line and connection in the engine bay...there are heaps of them lol
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 Post subject: Re: Ford Nl Fairlane Over Revving
Posted: Sat May 11, 2013 10:08 pm 
Fordmods Newbie
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Age: 32

Posts: 17

Joined: 19th Apr 2013

Ride: ford NL

Location: gisbourne
VIC, Australia

ok thanks ill give that a shot this week when i get time and let u know how i go...

thanks
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 Post subject: Re: Ford Nl Fairlane Over Revving
Posted: Sat May 11, 2013 10:36 pm 
Fordmods Newbie
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Age: 32

Posts: 17

Joined: 19th Apr 2013

Ride: ford NL

Location: gisbourne
VIC, Australia

This Is the Motor in the Nl Fairlane

 

 

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