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406 Auto

I live in Melbourne, Australia andhave had problems with my 406 with the gears very occasionally slipping and sometimes clunking severely on the downshift. The gears occassionally also get struck in any gear. I have taken to Peugeot dealers and Peugeot accredited auto transmission specialist however the problem still remains. After 100,000km the gearbox finally blewup. I replaced the gearbox with a secondhand one that had only done

30000km. I have exactly the same problems again. I have replaced the gearbox computer - no good The faults listed in the gearbox include, engine speed check, trottle potentiometer and engine torque signal. There are no faults listed in the engine computer. No one seems to know what the problem is.
Reply to
G Moloney
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I had very similar symptoms on a Mitsubishi Galant auto I used to own, after a full stripdown and re-build of the autobox, it turned out two of the drivebands where worn out... But you have replaced the gearbox, and gearbox computer, so it must be something to do with either the engine management system, or an engine speed sensor of some type.. but I would be guessing...

Reply to
Nik&Andy

Probably a silly question but have you tried switching to sports mode? In this increasingly complex world work-arounds - such as changing programs when one becomes 'iffy' - often provide a solution - if not a cure.

Reply to
ken kerrison

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