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Re: "stuttering" problem[V70/98] posted by davespeed at bigfoot dot com on
Tuesday, 8 September 1998, at 2:18 p.m.
...another easy thing to check (on all 5-cyl FWD cars?):
On my '95 850, the ignition coil is mounted against the inner
left fender. The coil wire runs to the distributor on the near
end of the engine. This run requires the coil wire to pass by
the vicinity of the wires supplying information to the ecu from
the air mass sensor (where the air comes out of the box that holds
the air filter).
If these wires are too near the coil wire, it is possible for the
ecu to 'see' 'disinformation'.
By slightly increasing the amount of 'slack' in the coil wire between
the coil and the air filter box, thus decreasing the amount of 'slack'
at the other end of the coil wire, it was easy to maintain 1" or more
between the coil wire and the air mass sensor wires.
- Dave
