92 400e engine miss
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Joined: Nov 2009
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mb 400e
92 400e engine miss
car will run fine for a while, then about 1200 rpm mill miss and cycle on/off repeatedly (load or no load). it will then clear up and run fine. have original wiring harness. have replaced plugs, fuel filter, caps and buttons. have heard it could be harness, coil, catalytic, maf, eta,. what is most logical for this problem that occurs but is able to clear up after a few minutes? i don't know history of car as was recently purchased>
