Chery A11 2003 Repair Manual page 624

3.1.7 After cool starting, the engine is in fast idle. With water temperature increasing,
engine speed decrease. After engine warming up (water temperature above 85 ℃), engine
speed stabilize at 950±50r/min.
3.1.8 Wrap pipe connector with plastic cloth when servicing fuel pipe, preventing fuel
splash. DO NOT smoke or fire to avoid fire hazard.
3.1.9 DO NOT remove injector to check fuel injecting condition. DO NOT spray to sky to
avoid explosion and combustion from spark.
3.1.10 Check whole fuel pipe circuit leakage frequently and fuel leakage problem should be
immediately repaired..
3.1.11 Set screw for controlling throttle idle position on throttle valve has been precisely
adjusted and any adjustment is forbidden.
3.2 Electrical system using and servicing
3.2.1 Stop vehicle and turn ignition off after stopping.
3.2.2 Lead on battery MUST BE removed before removing electrical connector.
3.2.3 Voltage supplied to engine is battery voltage and to avoid ECU damaging for over
voltage, any other external voltage supply such as fast-charging, starter voltage stabilizing
power CAN NOT be used to start engine.
3.2.4 ECU, sensor and actuator elements must be protected from humidity, static electricity,
and strong electronic interference (wiring harness must be at least 50 cm away from
high-tense wire),. Avoid equipments falling and dropping when servicing..
3.2.5 Do not start engine when loose connection or battery leads exist.
3.2.6 Disconnecting battery from vehicle circuit is absolutely forbidden when engine is
under normal operating condition; otherwise a permanent ECU damage will be caused.
3.2.7 Disconnecting battery from all vehicle circuits when fast-charging battery.
3.2.8 DO NOT remove and connect harness connectors on ECU when ignition key is at ON
position avoiding ECU being damaged by over voltage.
3.2.9 SQR480EC engine utilize high impedance spark and wire, which are special parts for
such engine, and can not be replaced with common high-tension wire, otherwise ECU will
be damaged and affect system normal operating.