intermittent jerking on Isuzu kb 260 d/c 1994

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13 años 11 meses antes #23269 通过手动 - 梅纳卡
Hi all,
this is a great site,for manuals...
can someone help...?? when driving at a constant speed, cruising,no load on the engine, my isuzu jerks intermittently,like fuel starvation.whenever it does this i give it full acceleration to see if it is a fuel shortage but it accelerates contantly with no jerking at all.
i have fitted a new fuel pump and new filters,new ignition coil and spark plugs and plug wires, new distributor cap and rotor.
this problem only occurs when your road speed is constant and you are not accelerating.
what could it be????
kind regards
chris

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13 años 10 meses antes #23585 通过手动 - 梅纳卡
did you clean pcv valve or the egr valve something clogged in the intake system

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13年前8个月 #25756 通过手动 - 梅纳卡
yeah clean all the sensors in the intake. nothing else ocurs to me.

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