Mazda1987–1992Technical specifications

626 2.0 16V 4WS: Technical specifications

Workshop data for the 2-litre petrol (engine code FE). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (FE) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Mazda
Model
626
Years
1987–1992
Fuel
Petrol
Engine code
FE

Performance & efficiency

Power
109 kW (148 hp)
Engine size
1,998 cc
Cylinders
4 · DOHC
Compression ratio
10.0:1
Fuel system
Mazda

Fluids & capacities

Engine oil (with the filter)
3.8 litres
All 124 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type4/DOHC
Capacity (Fiscal) cc1998 (1984)
Compression ratio :110,0
Suitable for unleaded petrolYes
Minimum octane rating RON95
Ignition system TypeESA
Ignition system DescriptionMap-i
Trigger locationDistributor
Fuel system MakeMazda
Fuel system TypeEGI
Fuel system DescriptionMFI-s
Air metering TypeMass
Combined ignition and fuel ECMYes
Diagnostic socketYes

Ignition system

Ignition coil MakeHanshin
Ignition coil supply voltage + with ballast V11,0
Primary resistance Ohm0,72-0,88
Secondary resistance Ohm10300-13900
Distributor (ECM) MakeMitsubishi

Firing order

The firing order for the Mazda 626 2.0 16V 4WS (1987–1992) is 1-3-4-2.

Firing order1-3-4-2

Valve clearances

Valve clearances on the Mazda 626 2.0 16V 4WS (1987–1992) are hydraulic — they self-adjust, so no manual clearance figure applies.

Valve clearance - INLET mmHydraulic
Valve clearance - EXHAUST mmHydraulic

Engine oil & fluids

Engine oil

The Mazda 626 2.0 16V 4WS (1987–1992) takes 3.8 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

The manual gearbox has a listed capacity of 3.4 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 7.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range ➞0°C
Engine oil grade SAE 5W-30
Engine oil classification API/ACEA SJ/A2
Ambient temperature range -25°C➞
Engine oil grade SAE 10W-30
Engine oil classification API/ACEA SJ/A2
Engine with filter(s) litres 3.8
Other lubricants and capacities
Manual transmission oil grade SAE 75W-90
Manual transmission litres 3.4
Automatic transmission fluid Type Dexron II
Automatic transmission (dry fill) litres 6.2
Cooling system - total capacity litres 7.5
Brake fluid Type DOT 3/4
Power steering fluid Type Dexron II
Power steering fluid litres 1.0

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda 626 2.0 16V 4WS (1987–1992) are replaced at a minimum thickness of 18 mm (ventilated) front and 8 mm rear.

Minimum disc thickness for replacement - ventilated Front18 mm
Minimum disc thickness
Minimum disc thickness for replacement Rear8 mm
Maximum drum diameter for replacement Rear230,1 mm

Brake disc and drum dimensions

Minimum disc thickness
Disc runout Front0,10 mm
Disc runout Rear0,10 mm
Minimum pad thickness Front2 mm
Minimum pad thickness Rear1 mm
Minimum shoe thickness Rear1 mm
Parking brake travel No. of notches5-7

Service & electrical

Ignition timing

Basic ignition timing for the Mazda 626 2.0 16V 4WS (1987–1992) is 12°±1° BTDC at 750 rpm.

Idle speed
Ignition timing - basic BTDC °Engine/rpm12±1/750

Battery

The Mazda 626 2.0 16V 4WS (1987–1992) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).

Battery V/RC(Ah)12/90 (60)

Spark plugs

The Mazda 626 2.0 16V 4WS (1987–1992) uses NGK BKR6E spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipmentNGK
Spark plug TypeBKR6E
Electrode gap mm0,8
Spark plugs MakeAutolite
Spark plug TypeAPP64
Electrode gap mm0,8
Spark plugs MakeBeru
Spark plug Type14FR-7DU
Electrode gap mm0,8
Spark plugs MakeBosch
Spark plug TypeFR7DC
Electrode gap mm0,8
Spark plugs MakeChampion
Spark plug TypeRC8YC4
Electrode gap mm1,1
Spark plugs MakeNGK
Spark plug TypeBKR6E
Electrode gap mm0,8

Tuning and emissions

Tuning conditions—
View more information—
Idle speed
Ignition advance checks °Engine/rpmECM Controlled
Idle speed rpm750±50
Oil temperature °C60
CO level at idle speed - tailpipe Vol. % CO1,5±0,5
HC level at idle speed ppm300
CO2 level at idle speed Vol. % CO213-16
O2 level at idle speed Vol. % O20,5-2,0

Starting and charging

Starter motor MakeMitsubishi
Starter motor Type0,95 kW
Maximum cranking amps A162-198
Alternator MakeNippon Denso
Alternator output A/V/rpm70/14,5/3000
Regulated voltage V14,1-14,7

Service checks and adjustments

Compression pressure bar10,0-14,2
Oil pressure bar/rpm3,4-4,4/3000
Radiator cap bar0,74-1,03
Thermostat opens °C84-86
Drive belt size - alternator mm4PKx870
Drive belt size - PAS/AC mm5PKx1010
Drive belt tension - alternator/PAS/AC mm7-9/9-11

Fuel system

System pressure bar2,35-2,75
Engine coolant temperature (ECT) sensor Ohm/°C280-350/80
Injector Ohm12,0-16,0
Idle air control (IAC) valve/idle speed control (ISC) actuator Ohm6,3-9,9

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Mazda 626 2.0 16V 4WS (1987–1992) are tightened in 3 stages: 20-26 Nm, then 50-56 Nm, then a final 80-86 Nm.

Cylinder head
Renew boltsNo
Tighten20-26 Nm
Tighten50-56 Nm
Tighten80-86 Nm
Cylinder head instructions—
Other engine tightening torques
Main bearings Renew bolts/nutsNo
Main bearings Stage 141 Nm
Main bearings Stage 282-88 Nm
Big end bearings Renew bolts/nutsNo
Big end bearings Stage 135 Nm
Big end bearings Stage 269-73 Nm
Oil pump to cylinder block—
Oil pump to cylinder block
Sump bolts—
Sump bolts
Sump drain bolt30-41 Nm
Flywheel/driveplate100 Nm/100 Nm
Clutch pressure plate18-26 Nm
Crankshaft pulley/damper centre bolt157-167 Nm
Camshaft sprocket/gear47-65 Nm
Camshaft carrier/cap18-26 Nm
Camshaft/rocker cover4-6 Nm
Inlet manifold to cylinder head20-30 Nm
Exhaust manifold to cylinder head35-50 Nm
Spark plugs15-23 Nm
Chassis tightening torques
Front hub235-319 Nm
Rear hub98-117 Nm
Steering track rod end29-44 Nm
Brake caliper to carrier Front36 Nm
Brake caliper/carrier to hub Front88 Nm
Brake caliper to carrier Rear20 Nm
Brake caliper/carrier to hub Rear56 Nm
ABS sensor Front20 Nm
ABS sensor Rear20 Nm
Road wheels88-118 Nm

Air conditioning

Air conditioning refrigerant TypeR12
Air conditioning refrigerant quantity grams800
Air conditioning oil TypeDS-83P
Air conditioning oil quantity cm³150

Frequently asked questions

What is the firing order of the Mazda 626 2.0 16V 4WS?

The firing order for the Mazda 626 2.0 16V 4WS (1987–1992) is 1-3-4-2.

What spark plugs does the Mazda 626 2.0 16V 4WS use?

The Mazda 626 2.0 16V 4WS (1987–1992) uses NGK BKR6E spark plugs with a 0,8 mm electrode gap.

How much oil does the Mazda 626 2.0 16V 4WS take?

The Mazda 626 2.0 16V 4WS (1987–1992) takes 3.8 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.

What are the valve clearances for the Mazda 626 2.0 16V 4WS?

Valve clearances on the Mazda 626 2.0 16V 4WS (1987–1992) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Mazda 626 2.0 16V 4WS?

The cylinder head bolts on the Mazda 626 2.0 16V 4WS (1987–1992) are tightened in 3 stages: 20-26 Nm, then 50-56 Nm, then a final 80-86 Nm.

What is the ignition timing for the Mazda 626 2.0 16V 4WS?

Basic ignition timing for the Mazda 626 2.0 16V 4WS (1987–1992) is 12°±1° BTDC at 750 rpm.

More on the 626