Why is my mr2 ideling irregilarly?

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Old 20 Mar 2014, 04:25 pm   #1 (permalink)
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Default Why is my mr2 ideling irregilarly?

I'm trying to repair my 86 toyota mr2 everything seems to be fine until it warms then it starts ideling irregularly. It begains to fluctuate down and up. From 2 x1000rpm 1 x1000rpm over and over again. What might the problem be? Please and thank you.
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Old 20 Mar 2014, 04:40 pm   #2 (permalink)
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Idle air control valve. Toyotas are notorious for this part failing.
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Old 20 Mar 2014, 04:54 pm   #3 (permalink)
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I agree with Daniel...































this also happens to me not only with my toyota also mazda b6d engine.































but what we did first is cleaned up the MAS (air flow system)then the problem is solved then after a month i went back to irregular idling again then we decided to replace it BTW engine is Mazda B6D EFI
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