1987 MAZDA 626 fuel filter

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Page 621 of 1865

MAZDA 626 1987  Workshop Manual 
4C FUEL SYSTEM 
BW B 
11. If not correct, check the voltage at terminals of the 
fuel pump control unit. 
76G04C-109 
76G04C-110 
86U04A-101 
Fuel pump 
Fuel filter 
Bracket 
76G04C-111 
Terminal (wi

Page 625 of 1865

MAZDA 626 1987  Workshop Manual 
4C FUEL SYSTEM 
^ Pulsation 
damper 
76G04C-121 
Pulsation damper 
— 
Delivery pipe 
76G04C-122 
Fuel hose 
,Fuel pump 
-Intank filter 
76G04C-123 
Insulator 
f f r— 
/ 0 DM 
 
•
 II r 
O - rin

Page 640 of 1865

MAZDA 626 1987  Workshop Manual 
EGR SYSTEM (UNLEADED FUEL) 4C 
Apply 12V 
J* Port 
76G04C-147 
86U04A-133 
76G04C-148 
4. Disconnect the solenoid valve connector. 
5. Connect 12V and a ground to the terminals of the 
solenoid valve

Page 645 of 1865

MAZDA 626 1987  Workshop Manual 
4C EEC SYSTEM 
Solenoid Valve 
1. Remove the solenoid valve. 
76G04C-159 
2. Connect vacuum hoses to the valve as shown in 
the figure. 
3. Blow air through the valve from hose A and check 
that air

Page 672 of 1865

MAZDA 626 1987  Workshop Manual 
4D 
FUEL AND EMISSION 
CONTROL SYSTEM 
(DIESEL) 
OUTLINE 4D— 2 
SPECIFICATIONS 4D— 2 
TROUBLESHOOTING GUIDE 4D— 3 
ON-VEHICLE MAINTENANCE 4D— 4 
AIR CLEANER ELEMENT 4D— 4 
WATER DRAINING 4D

Page 673 of 1865

MAZDA 626 1987  Workshop Manual 
4D OUTLINE 
OUTLINE 
The Mazda 626 offers two diesel engines; a Comprex supercharged RF-CX engine, and a normally 
aspirated RF-N engine. 
SPECIFICATIONS 
—Engine model 
Item ——— 
ECE UK, GEN

Page 674 of 1865

MAZDA 626 1987  Workshop Manual 
TROUBLESHOOTING GUIDE 4D 
TROUBLESHOOTING GUIDE 
Condition Condition Cause Remedy 
Hard starting Fuel filter 
Clogged Replace 
Water or air in filter Repair 
Fuel injection pump Faulty fuel cut solen

Page 675 of 1865

MAZDA 626 1987  Workshop Manual 
4D ON-VEHICLE MAINTENANCE 
ON-VEHICLE MAINTENANCE 
76G04D-004 
AIR CLEANER ELEMENT 
Check the air cleaner element for excessive dirt, dam-
age, or oil. Replace if necessary. 
Caution 
(Wet type) 
Do