|Off and then
Question : MY 1994 Peugeot 405 SAR (A) runs
smoothly for days but after that, the
engine dies when I stop the car.
At times, it jerks while running. The
RPM needle suddenly drops and goes
Sometimes, I find it difficult to start
the car. Then it runs without any problem for a few days.
I have done a top overhaul, replaced
all four plugs and cables, replaced the
ignition/coil, computer tuning of the
engine as well as cleaning the computer
However, I still face the same problem.
Your symptoms indicate that there is an
intermittent break in current flow to the
primary circuit of the ignition system and
this could be a problem either with the
cable harness between the ignition switch
and the ignition system or it could be the
ignition switch itself.
It is not uncommon that over years of
use, the contacts in the ignition switch get
loose and have poor contact.
Sometimes, even the bunch of keys
hanging on the switch can create enough
leverage to break the contact and cause
the engine to stop.
My advice is to check the wiring carefully and you should be able to find the