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06-12-2012, 03:11 PM
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Blue blooded
Join Date: Oct 2007
Location: New Zealand
Posts: 707
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Hi Guys
Ive just got myself an AU2 Fairmont wagon 6cyl. It starts and runs really good and idles around 800-900rpm smoothly but when i put it into gear (reverse or drive) the revs drop to around 400-500rpm and it seems to run rough and sometimes sort of splutters a bit when i accelerate.Once its running it drives beautifully around town and open road. What would be the best things to start checking? Cheers Dwayne
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My XA Coupe build http://www.fordforums.com.au/showthread.php?t=11259539 |
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06-12-2012, 08:34 PM
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Regular Member
Join Date: Jul 2012
Posts: 108
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Try cleaning throttle body and ISC first, easy and free. Then I'd be looking at the intake manifold gasket, it seems to be a common failure. About $15 and a couple hours work with a 10mm ratchet spanner. Normal idle speed is 550 rpm so they are hard to get completely smooth at idle... I've replaced/checked almost everything on mine and can still feel a slight vibration at idle, but it runs fine otherwise.
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07-12-2012, 05:42 AM
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Blue blooded
Join Date: Oct 2007
Location: New Zealand
Posts: 707
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Ok thanks for that mate i'll try those and see how they go
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My XA Coupe build http://www.fordforums.com.au/showthread.php?t=11259539 |
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07-12-2012, 09:26 AM
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Au Falcon = Mr Reliable
Join Date: Sep 2009
Location: North West Slopes & Plains NSW
Posts: 4,076
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G'day fordmfp, fuel filter is worth looking at also.
cheers, Maka
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Ford AU Series Magazine Scans Here - www.fordforums.com.au/photos/index.php?cat=2792 Proud owner of a optioned keeper S1 Tickford Falcon AU XR6 VCT - "it's actually a better-balanced car than the XR8, goes almost as hard and uses about two-thirds of the fuel" (Drive.com 2007) |
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10-12-2012, 04:37 PM
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Blue blooded
Join Date: Oct 2007
Location: New Zealand
Posts: 707
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Hey guys quick update i had a look at the intake manifold bolts (DAM THEY ARE TRICKY TO GET TO) and got about half a turn out of each, I didnt think half a turn would make a difference but wow what a difference, It is idleing awesome now!! No shaking at all. I will get a new gasket for it at some stage. Now im going to give the throttle body a clean to see how that goes.
Cheers for the help
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My XA Coupe build http://www.fordforums.com.au/showthread.php?t=11259539 |
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Rough idle in gear???
Linear Mode
