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Old 07 October 2011, 09:02 AM
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Mattybugeye
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i have a 2001 wrx and she has a slight missfire at low revs and on tickover i hav changed plugs and it seemed to cure it for a while but now its back!! it seems worse when cold too? any 1 got any ideas thanks!!
Old 07 October 2011, 09:54 AM
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Ryan@Indigo-GT
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Are there any fault codes? Has the car been remapped?
Old 07 October 2011, 09:54 AM
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wisky_uk2
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mine does it on automatic choke, on a cold start i leave it to warm up for 3/5mins befor i drive and its all fine
Old 07 October 2011, 10:01 PM
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Mattybugeye
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not bin on diagnostic so not sure on codes, yea it was already remapped wen bought it wud that cause it? and mine still duz it wen warm 2
Old 07 October 2011, 10:06 PM
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360ste
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Could be one of the coil packs, get a diagnostic done, Had a coil pack go on my STi bug only found which one by disconnecting each coil pack in turn. Then swapping it to anther plug to confirm the fault moved. What a pain to do.
Old 07 October 2011, 10:30 PM
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....... The Impreza does not have a choke, cold starts are all mapped into the ECU

Shaun




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