Question about 1991 Plymouth Acclaim

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95 accliam 3.0 intermmitent running/chugging

Vehicle stumbles, kills,chugs. when its dry weather, vehicle runs better. Checked vehicle fuel pump pressure, performed volume test. passed. also replaced wires, cap and rotor. inspected electrical connections. vehicle had throttle position code in it. replaced that. When car acts at its worst, It starts but dies right away. Does not matter if I feather throttle it still dies. Then all the sudden it starts running good for awhile. as I said it runs alot better in dry conditons. Im saying humidity in air can effect this vehicle. Only thing left I think is possible coil problem. Am I far off or should i look in other direction????

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  • saustin445 Mar 09, 2009

    Same problem with 1991 Acclaim. Runs much better in cold weather. If humidity is high it just stops. Engine will turn over but will not start until it sits for awhile. Ruled out fuel pump. I have noticed this same problem posted in other forums. Have been advised it may be electrically related. So far no real solution.

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Faulty/worn distributor cap/wiring. Also check spurk plugs and ingnition coil.
Most probably first. Needs replacement.
Good Luck

Posted on Feb 10, 2009

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