Specifications - Mazda MX-5 1990 Workshop Manual

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OUTLINE
F
SPECIFICATIONS
Item
Specification
Idle speed
rpm
850 ± 50*
Ignition timing
BTDC
10 0
±
1 0
*
Throttle body
Type
Horizontal draft
Throat diameter
mm (in)
55 (2.2)
Fuel pump
Type
Impeller (in-tank)
Output pressure
kPa (kg/cm2, psi)
441-589 (4.5-6.0, 64-85)
Fuel filter
Type
Low-pressure side
Nylon element
High-pressure side
Paper element
Pressure regulator
Type
Diaphragm
Regulating pressure
kPa (kg/cm2, psi)
265-314 (2.7-3.2,38-46)
Injector
Type
High-ohmic
Type of drive
Voltage
Resistance
0
12-16 (at 20 0
e,
68°F)
ISC valve
Solenoid resistance
0
11-13 (at 20 0
e,
68°F)
Air valve
Opening temperature
Below 40 0 C (104°F)
Solenoid valve (Purge contrOl)
Solenoid resistance
0
23-27 (at 200C, 68°F)
Crank angle sensor
Type
Optical pickup
Airflow meter
E2~VS
Fully closed
200-600
Fully open
20-1,000
E2
H
VC
200-400
Resistance
0
E2~THAA
-20°C (-4°F)
13,600-18,400
(Intake air
20
0
C (68°F)
2,210-26,900
thermosensor)
60°C (140°F)
493-667
E1~Fc
Fully closed
00
Fully open
0
Water thermosensor
-20°C (-4°F)
14.6-17.8
Resistance
kO
20
0
C (68°F)
2.2-2.7
80
0
e
(179°F)
0.29-0.35
Circuit opening relay
STA-E1
21-43
Resistance
0
B-Fc
109-226
B-Fp
00
Fuel tank
Capacity
liters (US gal, Imp gal)
45 (11.9, 9.9)
Air cleaner
Element type
Oil permeated
Accelerator cable
Free play
mm (in)
1-3 (0.039-0.118)
Fuel.
Specification
Unleaded regular (RON 87 or higher)
*".
With System Selector (49 B019 9AO) test switch at SELF TEST.
05UOFX-008
F-9

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