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6.2.1. Technical characteristic

System type

L models 1,4 and 1,6
Multec CFI (single-point injection)
Models of 1,8 l:
  – early models (engine 18 E)
Bosch Jetronic (multipoint injection)
  – late models (engine 18 SE)
Bosch L3 Jetronic (multipoint injection)
Models of 2,0 liters:
  – models with 8 valves:
     • models till 1990
Bosch Motronic ML4. 1 (multipoint injection)
     • models since 1990
Bosch Motronic M1. 5 (multipoint injection)
  – models with 16 valves
Bosch Motronic M2. 5 (multipoint injection)

Fuel pump

Type
Electric
Pressure:
  – l models 1,4 and 1,6
1,0 bars
  – l models 1,8 and 2,0
2,5 bars

Adjusting data

Idling turns:
  – models of 1,4 l
830 – 990 rpm
  – models of 1,6 l
720 – 880 rpm
  – models of 1,8 l:
     • models till 1990 with the mechanical transmission
900 – 950 rpm
     • models till 1990 with the automatic transmission
800 – 850 rpm
     • models since 1990
800 – 900 rpm
  – models of 2,0 l
720 – 780 rpm (are not regulated manually – are regulated by the control unit)
Contents WITH in exhaust gases (on idling turns)
It is less than 1,0% *

* On models with the catalyst contents WITH in exhaust gases is regulated by the control unit and not regulated manually.

The recommended fuel

Minimum octane number:
  – models without catalyst
Ethylated or unleaded 98 RON *
  – models with the catalyst
Ethylated or unleaded 95 RON

* At installation of a cap of octane number in the correct situation use of unleaded gasoline of 95 RON is allowed.

Tightening moments

 Elements of system of injection of Multec CFI fuel:
  – nuts of fastening of the case of a throttle
22 Nanometer
  – screws of fastening of the top part of the case of a throttle
6 Nanometer
  – inlet collector
22 Nanometer
  – potentiometer of provision of a butterfly valve
2 Nanometer
  – bolt of a needle of a fuel nozzle
3 Nanometer
  – fastening of the regulator of pressure
3 Nanometer
  – screws of fastening of the step engine operating air supply in the idling mode
3 Nanometer
  – oxygen sensor
38 Nanometer
  – final collector
22 Nanometer