Fuel Mixture Characteristics - Dacia 1304 2004 Repair Manual

E
NGINE
T I
YPE NDEX
( rtm )
775 - 850 max. 0,5 min.14
106 10
( 1 ) The CO value at 2500 rpm must be maximum 0,3 %.
∗ For a water temperature of over 80° C and after a steady value of 2500 rpm during
30 sec; after this,come back to idle running and measurement of polluting emissions is
to be done.
D
ENOMINATION
Computer ( U.C.E )
Injection system
Ignition
RPM senzor
Spark plugs
Fuel filter
Feeding pump
Pressure regulator
Injector
Injection central unit
Idle running regulator
Valve potentiometer
Oxygen senzor
Can purging valve
FUEL MIXTURE
CHARACTERISTICS
C
HECKING TO BE DONE ON IDLE RUNNING
R
ATE
Co ( % ) Co
(1)
Monomotronic - M.A, 1.7, Connector with 35 pins
Monopoint Bosch type; Monomotronic M.A. 1.7
Static, controlled by computer
R = 650 - 1100 Ω at 20
1-2
Spark plugs electrode distance = 0,8
Tightening moment = 2,5 - 3 daNm
Mounted under the vehicle in front the fuel tank
Replacement at every scheduled checking or at max. running
20000 Km
Electrical, immersed in the fuel tank
Flow: 1,1 l/min
Pressure: min. 1 bar at power supply of 12 V
Controlled pressure: 0,8 - 1,15 bar
: 6,3 - 7,4 Ω
R
2-3
Leakage max. one drop per minute
Tip ZEE 0438201216
= 4 - 250 Ω
R
1-2
= 0 - 200 Ω, switch closed
R
3 - 4
> 1 MΩ switch open
R
3 - 4
R = 600 - 1400 Ω
1- 5
= 400 - 4000 Ω in the aria of partial valve opening
R
2 - 4
Rich mixture U λ = 0,9 V
R sensor heating ( 1-2 ) = 1 - 15 Ω ; Tightening couple: 4 - 6 daNm
Supply voltage: + 12 V
R valve = 35 - 55 Ω
12 - 1
*
P
OLLUTION EMISSIONS
( % )
HC L
2
( ppm )
max. 60 0,97 - 1,03
P
ARTICULARITIES
0
C
;
Poor mixture U λ = 0,1 V
12
F
UEL
( minimum octane
number CO)
AMBDA
( λ λ λ λ )
Unleaded fuel
( COR min 95 )