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owners manual Mini Cooper
owners manual Mini Cooper - year of production: 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 - Mini Cooper workshop manual EN
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from owners manual to the vehicle Mini Cooper, year of production 1961 - 2000:
ENGINEMANAGEMENTSYSTEM-MEMS
Intake air temperature sensor Injectors
Theintake air temperature (IAT) sensor is located in
the side of the inlet manifold. The IAT sensor is of
the negative temperature coefficient (NTC) type,
designed to reduce its resistance with increasingThetwofuelinjectors are fitted between the
temperature. The ECM receives a signalpressurised fuel rail and inlet manifold. Each injector
proportional to the temperature of the intake air.comprises a solenoid operated needle valve and a
Whenusedinconjunctionwiththe signal from thespecially designed nozzle to ensure good fuel
manifold absolute pressure sensor the ECM canatomisation.
calculate the volume of oxygen in the air and adjust
the quantity of fuel being injected to achieveTheECMdetermineswhentooperatetheinjectors
optimumfuelling of the engine. basedonthesignalit receives from the crankshaft
position sensor.
TheECMprovidesanearthsignalfortheperiodthe
injectors are required to be open, the injector
solenoids are energised and fuel is sprayed into the
inlet manifold onto the back of the inlet valves. The
ECMcarefully meters the amount of fuel injected by
adjusting the injector opening period (pulse width).
During cranking, when the engine speed is below
approximately 400 rev/min, the ECM increases the
injector pulse width to aid starting. The amount of
increase depends upon engine coolant temperature.
Topreventflooding, the ECM periodically inhibits the
operation of the injectors.
REVISED:12/96 DESCRIPTIONANDOPERATION 7
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year of production from: 1961
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Mini Cooper workshop manual
pages 110 - 116
Mini Cooper workshop manual
page 113 / 372
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