Mazda 1984 RX7 Specifications

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Summary of Contents

Page 1

This file is available for free download at http://www.iluvmyrx7.com This file is fully text-searchable – select Edit and Find and type in what you’r

Page 2 - A - ENGINE/VIN ID

AIR INJECTION SYSTEM - CARBURETEDArticle Text (p. 6)1984 Mazda RX7For iluvmyrx7.com Copyright ©Fig. 6: Testing Heat Hazard Sensor PORT AIR

Page 3

AIR INJECTION SYSTEM - EFIArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2

Page 4

AIR INJECTION SYSTEMwhen the overdrive switch is open.Switching Solenoid ValveSwitches secondary air to exhaust port or rear catalyst.Vacuum Control S

Page 5 - AIR CONTROL VALVE

AIR INJECTION SYSTEM - EFIArticle Text (p. 3)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell RAir Pump1) With engine at normal operating

Page 6 - Copyright

AIR INJECTION SYSTEM -should flow out from the air hose. Reconnect the vacuum sensing tubeand the air hose.4) Disconnect the split air hose (from chec

Page 7

AIR INJECTION SYSTEMmake sure air is sucked into the tube. Gradually increase the enginespeed and make sure that air is not sucked into the tube when

Page 8 - CARBURETOR - NIKKI 4

AIR INJECTION SYSTEM - EFIArticle Text (p. 6)1984 Mazda RX7For iluvm1) Disconnect intake tube from vent solenoid and removeconnector. Blow through ven

Page 9 - HEAT HAZARD SENSOR

AIR INJECTION SYSTEM - EFIArticle Text (p. 7)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell RFig. 8: Testing Air Supply ValveAdjusting A

Page 10 - END OF ARTICLE

AIR INJECTION SYSTEM - EFIAtransmission is in neutral, switch should be closed. When transmissionis in gear, switch should be open. See Fig. 10.Fig. 1

Page 11 - Article Text

AIR INJECTION SYSTEM - EFIArticle Text (p. 9)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell RFig. 12: Checking Fast Idle Cam3) When the

Page 12 - AIR INJECTION SYSTE

A - ENGINE/VIN IDArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002 10:4

Page 13 - Copyright © 1998 Mitchell

AIR INJECTION SYSTEM - EFIArticle Text (p. 10)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 MitchellFig. 14: Checking Double Throttle DiaphragmD

Page 14 - IR INJECTION SYSTEM

CARBURETOR - NIKKI 4-BBLArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 200

Page 15 - AIR INJECTION SYSTEM

CARBURETOR - NIKKI 4-BBLArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell ReFig. 2: Float Drop Adjustment CHOKE

Page 16 - 1984 Mazda RX7For iluv

CARBURETOR - NIKKI 4-BBLArticle Text (p. 3)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell ReFig. 4: Choke Valve Opening Angle Adjustment

Page 17

CARBURETOR - NIKKI 4-BBLArticle Text (p. 4)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell ReFig. 5: Checking Automatic Choke Release

Page 18

CARBURETOR - NIKKI 4-BBLArticle Text (p. 5)1984 Mazda RX7For iluvmy1) Disconnect connector from relay. Using an ohmmeterwithout power applied, connect

Page 19

CARBURETOR - NIKKI 4-BBLArticle Text (p. 6)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell ReFig. 9: Checking Hot Assist RelayThere shoul

Page 20

CARBURETOR - NIKKI 4-BBLArticle Text (p. 7)1984 Mazda RX7Fo2) If idle speed did not drop, remove compensator valve andblow through valve from both por

Page 21 - CARBURETOR - NIKKI 4-BBL

CARBURETOR - NIKKI 4-BBLArticle Text (p. 8)1984 Mazda RX7For iluvmyrx7.com Copyright © 195) From main body, remove accelerator pump rod, secondaryt

Page 22 - CHOKE LINKAGE

CHOKE RETURN & HOT START ASSIST SYSTEMArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSatu

Page 23 - CHECKING AUTOMATIC

A - ENGINE/VIN IDArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 1 * Constant For All Models10 Vehicle Model YearD * 1983E * 19

Page 24 - CHECKING CHOKE RELAY

CHOKE RETURN & HOT START ASSIST SYSTEArticle Text (p. 21984 Mazda RX7For iluvmyrx7.com CHOKE MAGNETDisconnect electrical connector fro

Page 25 - 1984 Mazda RX7For iluvmy

DECELERATION CONTROL SYSTEM - CARBURETEDArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturd

Page 26 - THROTTLE OPENER

DECELERATION CONTROL SYSTEM - CARBURETEDArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.coFig. 1: Deceleration Control System THROTTLE SENSOR1)

Page 27 - DISASSEMBLY

DECELERATION CONTROL Searlier and turning screwing counterclockwise causes current to flowlater. See Fig. 3.Fig. 3: Throttle Sensor Adjusting Screw Lo

Page 28 - REASSEMBLY

DECELERATION CONTROL SYSTEM - CARBURETArticle Text (p. 4198 DASHPOT (MAN. TRANS. ONLY)1) Remove air cleaner. Check that dashpot rod does not b

Page 29

DECELERATION CONTROL SYSTEM - EFIArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, Jun

Page 30 - Article Text (p. 2

DECELERATION CONTROL SYSTEM - EFIArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com Copyright Fig. 1: Deceleration Control System THROTTLE

Page 31

DECELERATION CONTROL SYSTEM - EFIArticle Text (p. 3)1984 Mazda RX7For iluvmyrx7.com Copyright Fig. 2: Voltmeters Connected to Adjust Throttle Senso

Page 32 - THROTTLE SENSOR

EMISSION APPLICATIONArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002 1

Page 33 - DECELERATION CONTROL

EMISSION APPLICATIONArtMCS ... Mixture Control SystemOC ... Oxyidation CatalystO

Page 34

AIR INJECTION SYSTEM - CARBURETEDArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, Jun

Page 35

FUEL EVAPORATION SYSTEMArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002

Page 36 - THROTTLE SENSOR TEST

FUEL EVAPORATION SYSTEArticle Text (p. 21984 Mazda RX7For iluvmyrx7.com TESTING EVAPORATION LINEFrom canister, remove evaporation

Page 37 - DASHPOT TEST

FUEL INJECTION SYSTEMArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002

Page 38 - EMISSION APPLICATION

FUEL INJECTION SYSTEMArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell RepaFig. 2: Disconnecting Vacuum Hose from Fuel P

Page 39

FUEL INJECTION SYSTEMArticle Text (p. 3)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell RepaFig. 3: Mazda RX7 Fuel Injection System Compo

Page 40 - FUEL EVAPORATION SYSTEM

FUEL INJECTION SYSTEMArticle Text (p. 4)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repa INJECTOR OPERATION1) Using a mechani

Page 41 - FUEL EVAPORATION SYSTE

FUEL INJECTION SYSTEMArticle Text (p. 51984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repa PULSATION DAMPER TESTStart engine and

Page 42 - FUEL INJECTION SYSTEM

FUEL INJECTION SYSTEMArticle Text (p. 61984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell RepaINTAKE AIR TEMPERATURE SENSOR RESISTANCEÄÄÄÄÄÄ

Page 43

FUEL INJECTION SYSTEMArticle Text (p. 71984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell RepaFig. 7: Checking Airflow Meter Resistance

Page 44 - FUEL INJECTOR TESTS

FUEL INJECTION SYSTEMArticle Text (p. 81984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repa1) Remove storage compartment located behind d

Page 45 - INJECTOR RESISTANCE

AIR INJECTION SYSTEM - CARBURETEDArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com Copyright ©1) With engine at normal operating temperature, insp

Page 46 - Article Text (p. 5

FUEL PUMP - ELECTRICArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002 1

Page 47

FUEL PUMP - ELECTRfuel main hose from fuel pipe. Connect a pressure gauge.NOTE: Cover the hose with waste cloth since fuel is splashed outwhen disconn

Page 48 - Article Text (p. 7

FUEL PUMP - ELECTRICArticle Text (p. 31984 Mazda RX7For iluvmyrx7.com CopyrigRemoval & Installation (RX7)Remove rear floor mat and disconnect f

Page 49 - INSTALLATION

IGNITION CONTROL SYSTEM - CARBURETEDArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday,

Page 50 - FUEL PUMP - ELECTRIC

IGNITION CONTROL SYSTEM - CARBURETEDArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com CopLeading Vacuum ControlSolenoid Valve Signal1) Warm up eng

Page 51 - FUEL PUMP - ELECT

IGNITION CONTROL SYSTEM - CARBURETEDArticle Text (p. 3)1984 Mazda RX7For iluvmyrx7.com CopFig. 2: Testing Leading Vacuum Control Solenoid ValveTrai

Page 52 - PRESSURE REGULATOR

IGNITION CONTROL SYSTEM - EFIArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08

Page 53

IGNITION CONTROL SYSTEM - EFIArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 MiFig. 2: Checking for Signal2) Gradually increase

Page 54

IGNITION SYSTEMArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002 10:50P

Page 55

IGNITION SYSTEMArticle Textefficient combustion while reducing HC and CO emissions.As the primary circuit is broken in the leading and trailingignitio

Page 56 - IGNITION CONTROL SYSTEM - EFI

AIR INJECTION SYSTEM - CARBURETEDArticle Text (p. 3)1984 Mazda RX7For iluvmyrx7.com Copyright ©Fig. 2: Testing Relief Solenoid Valve RELIEF

Page 57

IGNITION SYSTEMArticle Text (p. 3)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair InformatioFig. 3: Adjusting Ignition TimingDistr

Page 58 - IGNITION SYSTEM

IGNITION SYSTEMArticle C) for each set of pick-up coils. If not, replace pick-up coil andbearing assembly. PICK-UP COIL OPERATION CHECK1) With

Page 59

IGNITION SYSTEMArticle drive shaft through top of distributor housing. REASSEMBLY1) Inspect distributor cap and rotor for cracks, carbontracks

Page 60 - HIGH TENSION WIRE

MIXTURE CONTROL SYSTEM - CARBURETED MODELSArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSatu

Page 61

MIXTURE CONTROL SYSTEM - CARBURETED MFig. 2: Checking Signal for Main Air Bleed Control Solenoid Valve RICHER SOLENOID VALVE SIGNAL1) Start th

Page 62

PCV SYSTEMArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002 10:52PMARTI

Page 63

PCV SYSTEMArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information ComFig. 2: B2200 Diesel Pickup Crankcase

Page 64

PCV SYSTEMArticle Texthe PCV valve inlet. If idle speed does not drop, replace PCV valve.NOTE: To replace PCV valve on California models with automati

Page 65 - PCV SYSTEM

VACUUM DIAGRAMSArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002 10:52P

Page 66 - PCV SYSTEMArticle Text (p. 2)

VACUUM DIAGRAMSArticle Text (p. 2)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair InformFig. 2: Vacuum Diagram For Fuel Injected R

Page 67

AIR INJECTION SYSTEMvalve and vacuum pipe. Blow through switching valve from vacuumsensing tube "B". See Fig. 2. Air should pass through val

Page 68 - VACUUM DIAGRAMS

TUNE-UP - ROTARYArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSaturday, June 08, 2002 10:52

Page 69

TUNE-UP - ROTARYArtÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ HIGH TENSION WIRE RESISTANCECarefully remove high te

Page 70 - TUNE-UP - ROTARY

TUNE-UP - ROTARYArticle Text (p. 3)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair InformaFig. 2: Connecting Timing LightCheck lea

Page 71 - TUNE-UP - ROTAR

TUNE-UP - ROTARYArticle Text (pFuel Injected Models1) Turn off all accessories. Connect a tachometer to engine.Ensure parking brake is engaged and whe

Page 72 - IDLE SPEED

TUNE-UP - ROTARYArt IDLE MIXTURENOTE: Mixture adjustment is not part of normal tune-up procedureand should not be performed unless carburetor

Page 73

TUNE-UP - ROTARYArticle variable resistor to obtain highest idle speed. Turn air adjustingscrew to set idle speed. Turn variable resistor counterclock

Page 74

TUNE-UP - ROTARYArticle TRemove tachometer.Fuel Injected Models1) Warm engine to operating temperature. Stop engine anddisconnect Green connector. Usi

Page 75

TUNE-UP - ROTARYArticle Text (p. 8)1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair InformaNOTE: Carburetor must be removed to chec

Page 76

TUNE-UP - ROTARYArticle Text (p. 9)1984 Mazda RX7For iluvmyrx7.com Copyright © STARTER SPECIFICATIONS TABLEÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Page 77

TUNE-UP-ROTARYArticle Text (p. 101984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair InformFLUID CAPACITIESÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ

Page 78 - Copyright ©

CARBURETOR - NIKKI 4-Bdiaphragm shaft. Before installing air horn, make necessary floatadjustments. ADJUSTMENT SPECIFICATIONSCARBURETOR ADJUST

Page 79

1.2L ENG NO POWER/STUMBLE/ROUGH IDLE/BUCKING CAT. 4, NO. 014/85Article Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Informa

Page 80

1.2L HARD CRANK/NO START - CARBON IN ROTOR/HOUSING CAT. 1, NO. 103/83Article Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair I

Page 81

1.2L HARD CRANK/NO START - CARBON IN ROTOR/HOUSING CAT. 1, NO. 103/83Article Text (p. 2Fig. 2: Using Flywheel Turning Tool5) Lower the vehicle. Turn t

Page 82

1.3L ENG NO START/BLOWN FUSE - SHORT IN WIRE HARNESS CAT. 15, NO. 012/85Article Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repai

Page 83

1.3L ENG SECONDARY AIR CONTROL SYSTEM MODIFICATION CAT. 4, NO. 002/84Article Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair I

Page 84

1.3L ENG SECONDARY AIR CONTROL SYSTEM MODIFICATION CAT. 4, NO. 002/84Article Text (p.Fig. 2: Parts Information TableFig. 3: Air Control Valve Assembly

Page 85 - PORT AIR SWITCHING VALVE

1.3L ENG SECONDARY AIR CONTROL SYSTEM MODIFICATION CATChecking Port Air Switching Valve:1. Warm up the engine and run it at idling speed.2. Connect a

Page 86

1.3L ENG SECONDARY AIRforward.Fig. 6: Positioning Vehicle on Road Tester8. Increase the vehicle speed and observe the voltmeter reading.Below 50 MPH -

Page 87 - 1.3L ENG SECONDARY AI

1.3L ENG SECONDARY AIR CONTROL SYSTEM MODIFICATION CAT. 4, NO. 002/84Article Text (p.Fig. 7: Wiring Harness ModificationsFig. 8: View of Fuse Panel

Page 88 - Fig. 8: View of Fuse Panel

1.3L ENG STALL/POOR IDLE - THROTTLE SENSOR ADJ CAT. 4, NO. 009/84Article Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Infor

Page 89

AIR INJECTION SYSTEM - CARBURETEDArticle Text (p. 5)1984 Mazda RX7For iluvmyrx7.com Copyright ©Fig. 4: Testing Choke Switch and Choke Magnet

Page 90

1.3L ENG STALL/POOR IDLE - THROTTLE SENSOR ADJ CAT. 4, NO. 009/84Article Text (p. 2)1984 MFig. 2: Checking Throttle Sensor Voltage(b) Terminal (A) - a

Page 91

1.3L ENG STALL/POOR IDLE - THROTTLE SENSOR ADJ CAT. 4, NO. 009/84Article Text (p. 3)1984 MFig. 4: Disconnecting Solenoid Valves ConnectorCheck the idl

Page 92

1.3L ENG STALL/POOR IDLE - THROTTLE SENSOR ADJ CAT. 4, NO. 009/84Article Text (p. 4)1984 MFig. 7: Adjusting Engine SpeedReconnect the vent and vacuum

Page 93

BAD SHUTTER VALVE CAUSES ROUGH IDLE/NO IDLEArticle Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair Information Company, LLCSa

Page 94

HI IDLE SPRRD OR HUNTING IDLE - NEW THROTTLE BODY CAT. 4, NO. 008/84Article Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair In

Page 95 - HI IDLE SPRRD OR HU

HI IDLE SPRRD OR HUNplug the inlet port of the vent solenoid valve with a finger as shownin Fig. 3 while the idle speed is high or hunting.Fig. 2: Dis

Page 96

TAS (THROTTLE ADJUSTMENT SCREW) LOCATION/ADJUSTMENT CAT. F, NO. 014/98Article Text1988 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repair

Page 97

WHISTLE NOISE FROM CHECK &CUT VALVES - REPL VALVES CAT. 4, NO. 015/85Article Text1984 Mazda RX7For iluvmyrx7.com Copyright © 1998 Mitchell Repa

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