changed the fuel filter on my 92 h23 and now the idle is pretty rough with it occasionally fluxuating as well. when it warms up its not so bad with the fluxuating and the idle drops to 1100 and it gets rough and sounds like its missing. help? thanks
hi, how low does it fall? does your revs bounce? mine did - found problem to be the IAC valve which can be found just behind the rocker cover. mine had gunked up , just soaked it in petrol and hay it works fine again.
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