5.2. The fuel and exhaust system of models with system of injection of fuel
General information|
Type of system of injection of fuel:
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C16 NZ, C16 NZ2, X16 SZ and C18 NZ
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Central system of injection of Multec fuel
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20 NE, C20 NE and 20 SEN (till 1990)
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Motronic M4.1
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20 NE, C20 NE and 20 SEN (since 1990)
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Motronic M1.5
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20 XEJ and C20 XE (till 1993)
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Motronic M2.5
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C20 XE (since 1993)
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Motronic M2.8
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X20 XEV
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Simtec 56.1
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Capacity of the fuel tank
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61 l
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Octane number applied топлива*:
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Ethylated gasoline
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98 RON
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Unleaded gasoline
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95 RON
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* Models with the catalyst (engines with the first letter C or X) have to be operated only on unleaded fuel.
Idling parameters
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Idling turns:
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– C16 NZ and X16 SZ
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850 ± 80 rpm
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– C16 NZ2
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880 ± 80 rpm
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– C18 NZ
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• models with the mechanical transmission
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880 ± 80 rpm
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• models with the automatic transmission
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830 ± 80 rpm
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– 20 NE, C20 NE and 20 SEN
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800 ± 80 rpm
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– 20 XEJ and C20 XE
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940 ± 80 rpm
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– X20 XEV
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850 ± 160 rpm
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 Idling turns on these models are not regulated, and are given only for information. | |
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Contents WITH in exhaust gases:
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– 20 NE and 20 SEN
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At most 1,0%
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– X20 XEV
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0,7 – 1,2%
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| Other models |
0,3% (at 2800 – 3200 rpm)
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Fuel pressure at the connected vacuum hose
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Multec
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0,76 bars
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Motronic M4.1:
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– the giving hose
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2,3 – 2,7 bars
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– returnable hose
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0,3 – 1,5 bars
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Motronic M1.5
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– the giving hose
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1,8 – 2,2 bars
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– returnable hose
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0,3 – 1,5 bars
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Motronic M2.5
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2,0 – 2,2 bars
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Motronic M2.8
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2,2 – 2,7 bars
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Simtec 56.1
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There are no data
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Tightening moments
The tightening moments on models with systems of injection of fuel same, as well as on models with carburetors except for below-mentioned.
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The fuel highway to an inlet collector
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8 Nanometer
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Fuel stream quencher
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20 Nanometer
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Holder of a fuel nozzle
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3 Nanometer
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Fuel pressure regulator
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2,5 Nanometer
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Clip of the fuel pump
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4 Nanometer
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The step engine operating air supply in the engine on idling turns
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2,5 Nanometer
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The detonation sensor to the block of cylinders (X16 SZ)
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13 Nanometer
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Oxygen sensor
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30 Nanometer
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Throttle case
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20 Nanometer
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Fastening of the top part of the case of a throttle to lower
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6 Nanometer
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Potentiometer of provision of a butterfly valve
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2 Nanometer
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Casing of the air gate to an inlet collector
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9 Nanometer
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