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TECHNICAL DESCRIPTION
DIGITAL ELECTRONIC IGNITION
155
Your engine is equipped with a digital
electronic ignition system with knock
sensor. The system is
capable of
adjusting the ignition timing
automatically to cope with fuels of
different anti-knock properties. This
makes it possible to use unleaded
premium fuel with 95 RON (91 AKI)
1)
and
if not available, it may also use regular
unleaded fuel with a minimum of 91 RON
(87 AKI)
1)
.
The correct timing for optimum efficiency
under all engine operating conditions is
calculated by a "timing map" stored in the
system's memory. The timing map con-
tains the ignition timing values for any
particular engine rpm and throttle openi-
ng.
1)
Octane rating see page 91
he combustion process in the engine is
y a knock sensor. If engine
ing) occurs, the timing for the
linder is adjusted briefly by
T
monitored b
knock (ping
appropriate cy
a corresponding amount (selective knock
sensor).
With the knock sensor adjustment, the
digital electronic ignition, together with
the fuel injection system, provides maxi-
mum engine power, tow exhaust emissi-
ons and optimum fuel economy.
157


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