A factory or a professional scan tool would be a great help in diagnosing this problem ! The PCM - engine computer supplies a ground to the injectors if all the right inputs to the PCM are there ! Crankshaft position & Camshaft position sensors being the most important . Plus if there was an anti-theft system problem , in most vehicles ,the injectors would be disabled ! Does the check engine light come on when you turn the key on , not to start , just on ? Does your vehicle have a Tachometer ? When cranking the engine does the tachometer move ? Also is there spark ? Did you pull a plug wire an hold near metal on the engine while someone else cranked the engine ? Check for power an grounds at the PCM , no power , check the ASD relay ! The ASD relay powers up the vehicle an they do go bad ! short inside or open circuit etc...
SOURCE: 2007 Chrysler Aspen ascelerator surging
try changing the pedal sensors ,under the dash on the end of the throttle pedal
SOURCE: What does a Fault code of P0456 mean on a 2007
I would ask the Chrysler dealer, probably quicker than asking anyone else.
SOURCE: what does the yellow exclamation light inside of a
poss one of ur tires is low look in ur owners mauanl it should tell u
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