fuel cap MAZDA 626 1987 Owner's Guide

TECHNICAL DATA 30
4C. FUEL AND EMISSION CONTROL SYSTEM (FE DOHC)
Item ^Engine^model Unleaded fuel Leaded fuel

Idle speed rpm With test connector grounded 750
± 50
Throttle body

Type Horizotal draft (2-barrel)
Throat diameter mm (in) No.1 46 (1.8) Throat diameter mm (in) No.
2
40 (1.6)

Fuel pump

Type Impeller (in tank)
Output pressure kPa (kg/cm2,
psi)
Main pump: 441—588 (4.5—6.0, 64—85)
Transfer pump: 20—25 (0.20—0.25, 2.8—3.6)
Feeding capacity cc (cu in)/10 seconds Main pump: 220 (13.4) min. Transfer pump: 190 (11.6) min.

Fuel filter

Type Low-pressure side Nylon element Type High-pressure side Paper element

Pressure regulator

Type Diaphragm
Regulating pressure kPa (kg/cm2, psi) 235-275 (2.4 -2.8, 34-40)

Injector

Type High-ohmic
Type
of
drive Voltage
Resistance
ft
12--16
Injection amount cc (cu in)/15 seconds 66-91 (4.03-5.55)

Idle speed control valve

Solenoid resistance Q 6.3--9.9

Fuel tank

Capacity liters (US gal, Imp gal) 60 (15.9, 13.2) 57 (15.0, 12.5): 4-wheel steering vehicle

Air cleaner

Element type Dry

Fuel

Specification Unleaded (95 RON
or
more) i Leaded (95 RON
or
more)

30-21

30 TECHNICAL DATA
4D. FUEL AND EMISSION CONTROL SYSTEM (DIESEL)
Item — Engine model RF-CX RF-N

Idle speed rpm 720 -20
Type VE Type
Fuel injection pump
Plunger diameter mm (in) 9.0 (0.35) 8.0 (0.31) Fuel injection pump
Cam height mm (in) 2.2 (0.08) Fuel injection pump Governor Half
all
speed governor
Fuel injection pump Injection timing ATDC 1
°
TDC
0°

Cam lift
at
injection timing mm (in) 1 (0.04)
Injection
nozzle
Type Throttle Injection
nozzle Number
of
nozzle and diameter
mm (in)
1.0 (0.04)
x 1
Injection
nozzle Injection pressure kPa (kg/cm2,
psi)
13,240 (135, 1,920)
Free play
of
cable
at
injection pump mm (in) 1.0-3.0 (0.04-0.12)
Fuel tank capacity liters (Us gal, Imp gal) 60 (15.9, 13.2)
Fuel filter type Cartridge, paper element
Air cleaner element type Cartridge, paper element
Fast idle speed (A/C ON) rpm 700--750
Cold Engine speed rpm 1,100
at
below 0°C (32°F)
start Advance degree 0°C (32°F) 6 0
device Advance degree 60°C (140°F) 0
°
30—; 22

TECHNICAL DATA 30
5. ENGINE ELECTRICAL SYSTEM
Gasoline Engine
——— Engine
F6 F8 FE FE FE
Item ____ F6 F8 (8 VALVE) (12 VALVE) (DOHC)

Battery
Voltage
Type and capacity
12, Negative ground
(20 hour rate) 34B19L(S) (33 Ah): General 50D20L (50 Ah), 55D23L (60 Ah):
ECE

Alternator
Type A.C.
Output V-A 12-70
Regulator type Transistorized (built-in
IC
regulator)
Regulated voltage 14.1-14.7
Brush length
mm (in) Standard 16.5 (0.650)
Minimum 8.0 (0.315)
Drive belt tension
mm (in)/98
N (10
kg,
22 lb)
New:
6-8
(0.24-0.32), Used:
7-9
(0.28—0.35)
Starter
Type Coaxial reduction: Middle East
&
General (FE
•
carburetor)
Non-reduction: Others
Output V-kW 12-0.85
Brush length mm (in)
12-0.95
Standard 17.0 (0.669)
Minimum 11.5 (0.453)

Unleaded fuel

17,0 (0.669)

Others

17.5 (0.689)

Unleaded fuel
11.5 (0.453)
Others
10.0 (0.394)

12-1.4 12-0.95
17.0 (0.669)
11.5 (0.453)
Ignition timing 6
±
1
°
BTDC (Vacuum hose disconnected) 12
±
1° BTDC
(Test connector
grounded)
Distributor
Type Fully transistorized (HEI)
Electronic spark advance
Centrifugal spark advance
(crank angle/engine speed)
degree/rpm
F6
-2-2/1,000 6-10/2,100 14-18/6,100
F8 -2-2/1,000 10—14/2,100 18-22/6,100
FE
(8
VALVE)—Carburetor Unleaded fuel
(MTX)-2—2/1,760 12—16/3,360 22—26/5,320 (ATX)-2-2/1,300 12-16/3,360 22-26/5,320
Others
-2-2/1,460 10-14/2,540 22-26/5,540
FE (12 VALVE)—Carburetor -2-2/1,200 10-14/2,400 10-14/4,000 16-20/5,000
FE—Fuel injection (except
FE
DOHC)
-2-2/1,000 10-14/2,600 10-14/4,600 16-20/5,800

30—23

30 TECHNICAL DATA
Engine
Item F6 F8 FE FE FE F8 (8 VALVE) (12 VALVE) (DOHC)

Distributor
Vacuum spark advance
(Crank angle/Vacuum)
degree/mmHg (inHg)
Type
Spark plug
F6 and
F8
-2-2/100
6-10/300
FE
(8
VALVE)—Carburetor Unleade fuel -2-2/120 8-12/245
Others (MTX)-2-2/100 16-20/250
(ATX) -2-2/100 10-14/200
FE (12 VALVE)—Carburetor
-2-2/120 11-15/300
FE—Fuel injection (except
FE
DOHC) [A chamber] -2-2/125 18—22/300
[B chamber] -2-2/125
-6--10/200

FE
(8
VALVE)* NGK: BPR5ES-11, BPR6ES-11 Nippon Denso: W16EXR-U11, W20EXR-U11
Others NGK: BPR5ES, BPR6ES Nippon Denso: W16EXR-U, W20EXR-U
Plug
gap
mm (in)

Firing order

0.75-0.85 (0.030-0.033),
FE

(8 VALVE)* 1.0-1.1
(0.039-0.043)

1-3-4-2

NGK:
BCPR5E, BCPR6E Nippon Denso: Q16PR-U, Q20PR-U
0.7-0.8
(0.028-0.031)

NGK:

Unleaded fuel BCPR5E-11 BCPR6E-11 BCPR7E-11
Leaded fuel BCPR5E BCPR6E

1.0-1.1 (0.039-0.043)*1
0.7-0.8
(0.028-0 031)'2
Diesel Engine
————Engine Item " RF-N RF-CX

r5a!:ery
Voltaae
V
12, Negative around
r5a!:ery Type and capacity (20 hour rate) 80D26L (65)
50D20L, 50D20R (50)-ECE 80D26L (65) 65D23L, 65D23R (55)
Alternator

TvDe
A.C.
Alternator
Output
V—A
12-70 12-75
Alternator
Regulator tvoe Transistorized (built-in
IC
reaulator)
Alternator Regulated voltaae
V
14.1-14.7 Alternator
Brush length mm (in)
Standard 16.5 (0.650) 21.5 (0.846)
Alternator
Brush length mm (in) Minimum 8.0 (0.315) 8.0 (0.315)
Alternator
Drive belt tension
mm (in)/98
N
(10 ka,
92 lb)
New: 9-11 (0.35-0.43), Used: 12-14 (0.47-0.55)
Starter
Type Reduction
Starter Output V—kW 12-2.0, 12-2.2 (Cold area) Starter Brush length
mm (in)
Standard 2.0 kW: 17.0 (0.669),
2.2
kW: 18.0 (0.709) Starter Brush length
mm (in) Minimum 2.0 kW: 11.0 (0.453).
2.2
kW: 11.0 (0.453)
Firina order 1-3-4-2
*1 Unleaded fuel model
*2 Leaded fuel model

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