unstable idle when not under boost
#1
unstable idle when not under boost
i have a 91 civic hatchback and it idles wierd , lets say at regular idle its asposto be at 1000 rpm, well it jumps from 1000 to 2000 like wammm paaa wammmm paaa , i think its my evac sensor, but i need opnions, when under boost it runs fine.. i also have a IHI turbo on it... and its ona a 1.5 dual point
#7
Re:unstable idle when not under boost
Are you getting any codes? I would say the IACV, the o2 sensor, or a vac leak. Check for codes.
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