Engin is missing and cutting out no power will not idel

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Monitor the fuel pressure when this happens.

hi.it can be a vacuum leak at your brake booster pipes or booster self or intake manifold.it can also be a misfire on a cylinder.if you remove oil cap ideling will change because in newer engine models there must be a certian amount of vacuum inside engine by removing cap its values change.hope this helps

Try your ignition switch on back of were key goes in on housing two very small flat screws with red dots unscrew and pull white base out it looks like a key put large screw driver in see if it will start

The automatic idle control valve may have stopped working or the control module that operates it.

this could be a problem with engine managment you can get it pluged in to a diagnostic tool and they will give a fault code these can be purchesed from well known aution sites for 30 pounds

What engine does it have in it, if its coil pack over single coils per cylinder. Pull plug wire or coil out of last cylinders on passenger side, these are known for getting water in them that causes a miss in acceleration

Change plug and leads

try changing plugs and wires, if need be remove and clean idle air control valve, cause this is what controls the ideling.

The miss does not vanish, the noice gets cammouflagged by the noice of the engine. Check service engine light first, Auto Zone or Advance will do it for free. Then post again with your engine code.