Code P0301 with very rough idle

2006 DODGE CARAVAN
116,000 MILES
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BANGING HEAD AGAINST WALL
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Code P0301-Changed spark plugs, wires, coil, cleaned ERG valve, cleaned intake manifold,vcleaned throttle body. Runs fine but very rough idle w/vibrations. Paid mechanic and still misfire and rough idle.
Nov 18, 2011 at 6:40 PM
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