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Go Back   Australian Ford Forums > Club and Speciality Forums > Forum Community Car Clubs > AU Falcon.com.au

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Old 29-12-2005, 04:59 PM   #1
mean_ts50
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Default Au idling rough

Hi Guys

Im new to this forum. Ive got a au series1 fairmont and car seems to idle very rough. If i rev the car to about 5000 rpm it back fires. Ive cleaned the throttle body, replaced leads, plugs, changed the oil filter, reset the ecu. Am i missing something coz its really starting to annoy me.

Ive got a pod and a 2 1/2 cat back exhaust and i can clearly hear the car idle at the lights and shake as it misses

Help !!!!

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Old 17-01-2006, 05:11 PM   #2
gus351
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air filter?
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Old 17-01-2006, 05:59 PM   #3
JC
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could be blocked fuel filter too.
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Old 17-01-2006, 06:02 PM   #4
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i had similar problems before my coil pack thing decided to die..
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Old 17-01-2006, 06:19 PM   #5
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Take out your spark plugs one by one and keep them in order.Check the colour of each.Chances are that if one is clearly different then investigate that cylinder for injectors/orings ,inlet manifold gasket leaks etc.Also dont forget spark..
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Old 17-01-2006, 06:26 PM   #6
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Backfiring at 5000 sounds pretty harsh though.
get spark looked at first ... could be a vacuum leak on the intake side too.
Maybe oxygen sensor .. but that shouldn't cause a backfire though.
Maybe needs a tune (although I don't think the AU would get THAT far out of tune though.
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Old 17-01-2006, 06:28 PM   #7
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sparkys leads or fuel filter would be my first points of attack
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