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it may be your computer however i would take it to a shop and have them look at it becasue with new parts like that the only things left are computer mass air flow and fuel regulator I would pull the injectors and see if they are clean.

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โˆ™ 2007-09-21 16:42:08
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Q: What could cause a random cylinder misfire on a 99 olds alero I have replaced the plugsthe wiresthe coil packs ignition moduel and the air idel valve Im really stuck here guys?
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