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rough idle after warmed up

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Old 21 May 2013, 12:36 PM
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flop84wrx
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Default rough idle after warmed up

Hi am looking for some advice. Been having trouble with my car for a couple of weeks when warm the car has a rough idle and shakes a bit at stand still. The car feels fine under load and pulls well. Any ideas much appreciated. Have checked coilpacks and injectors. Am now thinking o2 sensor as when its cold it idles nice until warm.

My car is a version 2 wrx with a version 8 sti engine running syvecs ecu.

Thanks

Last edited by flop84wrx; 21 May 2013 at 01:42 PM.
Old 22 May 2013, 11:55 AM
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Is there any way to test a o2 sensor?

All thoughts welcome
Old 22 May 2013, 12:13 PM
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hpoolsteve
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mafless?
Old 22 May 2013, 01:17 PM
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flop84wrx
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Yes mafless..
Old 25 May 2013, 01:36 PM
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Bump
Old 25 May 2013, 03:34 PM
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Turbotits
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Id go with the ecu coolant temp sensor
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