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BF Fairlane issue around 1000rpm 

 

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 Post subject: BF Fairlane issue around 1000rpm
Posted: Mon Jan 27, 2014 4:22 am 
Stock as a Rock
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Age: 32

Posts: 137

Joined: 30th Nov 2006

Gallery: 1 images

Ride: BF Fairlane Ghia

Location: Lithgow
NSW, Australia

Hi guys.

I'm having a strange issue with my BF Fairlane.

Firstly at idle the car is almost perfect, with what I'd call a very minute miss every 30 seconds or so. This isn't my main concern at the moment.

When I try to hold the motor at 1000rpm it drops then comes back to a 1000rpm and does it over and over whilst I hold my foot on the accelerator.

I've replaced the following before posting here to fix it to no avail:

Coils
Spark plugs
Camshaft Sensors (Exhaust and Intake)
Tested crankshaft sensor (well within resistance)
Throttle position sensor

Also have run a diag tester for codes and nothing comes up

I've included a video showing what is happening.

https://www.youtube.com/watch?v=AddW4sTqB28&feature=youtube_gdata_player

I am desperate for a solution

Thanks
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 Post subject: Re: BF Fairlane issue around 1000rpm
Posted: Mon Jan 27, 2014 8:59 am 
Getting Side Ways
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Age: 26

Posts: 789

Joined: 9th Dec 2011

Ride: S1 eb 5speed

Location: Coffs Harbour
NSW, Australia

Watched the clip, It seems like a air fuel problem to me.
I'd start by checking all around for small vacuum leaks and even fuel leaks, could be the fuel pressure reg.
Could be a dirty/stuffed throttle body too.
No codes ?
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 Post subject: Re: BF Fairlane issue around 1000rpm
Posted: Mon Jan 27, 2014 10:15 am 
Moderator
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Age: 40

Posts: 2327

Joined: 6th Oct 2005

Ride: 93EB Fairmont / BA Falcon XR6T

Location: Western Sydney
NSW, Australia

Try and do a throttle body position reset and see if it helps.

 

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93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU.
2004 BA MKI XR6T in Lightning Strike paint / K&N / XR8 bonnet / BF lights and a few tweaks.

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