Opel 1991 Astra Workshop Manual page 1040

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Fuel mixture adjustment : - 15% Leaner
Air-conditioner shut-off : Throttle > 88% open OR
Fuel injection timing : Synchronous with reference signal
Idle CO adjustment : +/- 15% of base fuel map by means
Coasting cut-out : 1228 r.p.m. - EWT > 78 øC
Idle speed : 910 r.p.m. - EWT > 78 øC
Idle speed control : By means of stepper motor control
Wide Open Throttle (WOT) : Throttle > 72% open
Flood compensation : 0.6x base fuel maps in WOT mode
: - 10% Leaner
: - 05% Leaner
: + 05% Richer
: + 10% Richer
: + 15% Richer
: + 20% Richer
: + 25% Richer
Selectable by installing optional
mixture selection plug.
Operation only possible in open
throttle position.
: TPS closed and speed < idle r.p.m.
of CO potentiometer with closed
throttle
: 1755 r.p.m. - EWT = 0 øC
: 1300 r.p.m. - EWT = 0 øC
: 1050 r.p.m. - A/C ON (EWT > 78 øC)
: 1495 r.p.m. - A/C ON (EWT = 0 øC)
of IACV (Idle Air Control Valve)
and r.p.m. < 450

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