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check the map sensor too. when i took my intake manifold off of my civic i tried assembling it back together drunk and ended up putting the throttle body gasket on backwards blocking the hole to the map sensor. well needless to say it made the cars idle jump then drop, jump then drop, jump then drop in probably i.5 second intervals. after i sobered up i fugured out what i had done and th e map sensor was the only logical thing that could have been the problem since the rest of the sensors ports werent obstructed. try pulling the clips for each sensor while the car is running, if you pull a clip and it doesnt change every much i think you have isolated your problem. or you could do it the right way and check the voltage like the helms manual says but thats no fun now isnt it?
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