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Old 08-12-2012, 06:31 PM   #1
jt-1994
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Default rough and shakey idle

Hey guys my au has a really annoying idle as it isnt smooth and shakes the whole car isnt smooth till 2500rpm, normal driving is fine. I replaced the inlet manifold gasket as i thought it would fix it but the rough idle still persists. Ive also replaced the o2 sensor, fuel filter, plugs and leads, cleaned throttle body and isc valve, reset ecu, checked fuel pressure regulator as it is also using alot of fuel around 12L/100 on the freeway sorry for the long post any help would be greatly appreciated

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Old 08-12-2012, 07:22 PM   #2
2002au
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Default Re: rough and shakey idle

Try changing the pcv in the rocker cover. Around $10 from ford
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Old 08-12-2012, 07:45 PM   #3
jt-1994
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Default Re: rough and shakey idle

yeh ive already tried that aswell im thinking coil pack or injectors maybe?
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Old 18-12-2012, 09:39 AM   #4
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Default Re: rough and shakey idle

Quote:
Originally Posted by jt-1994 View Post
Hey guys my au has a really annoying idle as it isnt smooth and shakes the whole car isnt smooth till 2500rpm, normal driving is fine. I replaced the inlet manifold gasket as i thought it would fix it but the rough idle still persists. Ive also replaced the o2 sensor, fuel filter, plugs and leads, cleaned throttle body and isc valve, reset ecu, checked fuel pressure regulator as it is also using alot of fuel around 12L/100 on the freeway sorry for the long post any help would be greatly appreciated
G'day there, get a ecu scan & see what codes it throws- could be coilpack?

cheers, Maka
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Old 19-12-2012, 08:10 PM   #5
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Default Re: rough and shakey idle

If you can do the ECU scan that will definatley give you the answer.

My car, the problem was Cam Angle sensor
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Old 19-12-2012, 11:20 PM   #6
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Default Re: rough and shakey idle

Thanks for all the suggestions ive searched for error codes but the only one that came up was malfunctioning vehicle speed sensor, once i cleared it and went for a drive it didnt reappear. Im going to replace the coilpack and see what happens
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