Dacia 1304 2004, Repair Manual

Page: 102 / 654

FUEL MIXTURE
12
CHARACTERISTICS
12 - 1
E
NGINE
C
H ECKING TO BE DO NE O N IDLE RUNNING
*
T
YPE
I
NDEX
R
ATE
( rtm )
P
OLLUTION EMISSIONS
F
UEL
( minimum octane
number CO)
Co ( % )
(1)
Co
2
( % ) HC
( ppm )
L
AMBDA
(
λ λ λ λ
)
106 10 775 - 850 max. 0,5 min.14
0,97 - 1,03 max. 60
Unleaded fuel
( COR min 95 )
( 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
ENO MINATION
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
P
ARTICULARITIES
Monomotronic - M.A, 1.7, Connector with 35 pins
Monopoint Bosch type; Monomotronic M.A. 1.7
Static, controlled by computer
R
1-2
= 650 - 1100 Ω at 20 0 C
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
R
2-3
: 6,3 - 7,4 Ω
Leakage max. one drop per minute
Tip ZEE 0438201216
R
1-2
= 4 - 250 Ω
R
3 - 4
= 0 - 200 Ω , switch closed
R
3 - 4
> 1 M Ω switch open
R
1- 5
= 600 - 1400
Ω
R
2 - 4
= 400 - 4000
Ω in the aria of partial valve opening
Rich mixture U λ = 0,9 V
;
Poor mixture
U λ = 0,1 V
R sensor heating ( 1-2 ) = 1 - 15
Ω ; Tightening couple: 4 - 6 daNm
Supply voltage: + 12 V
R valve = 35 - 55
Ω
vnx.su