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plz help

hi guys plz help

i have a 300zx n/a manual with powerflow exhaust and apexi induction the rest is std i have a prob with a hesedent and jerky engine when in any gear the throttle is just been fetherd just crusing like, its a pain in the rear when in fith or any gear fether the throttle and after a few seconds becomes hesedent and jerky and the cat warning light comes on power away and shes off again and light eventually gose out.

any idears

thanx in advance

vince

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    You could try cleaning your PTU and coilpack connections. I am in no way a mechanic but I guess it could be that.

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    Sounds like its running rich mate, check your plugs and also the connectors like ChrisP says.

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    ps forgot to say this only happens around 3000-4000 rpm

    but thanx for your replys

    think i will decat it anyway

    cheers

    vince

    pps any one in norfolk now where there is a conzult

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