1
FUEL SYSTEM
4A
TROUBLESHOOTING
Check the condition of the wiring harness and connectors before checking the sensors or switches.
Symptom
Possible
cause
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Engine con
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3C 3E
3B
4A-96 4A-103 4A-102 4A-97 4A-101 4A-101 4A-50 4A-52 4A-49 4A-92 4A-92
Hard start or won’t start (Cranks OK)
5
4
1
3
2
Engine
While warming up
4
3
2
1
5
stalls
After warming up
1
3
2
4
Rough idle
White warming up
4
3
2
1
After warming up
1
2
4
3
Poor acceleration, hesitation, or lack of power
1
3
4
2
Runs rough on deceleration
1
2
Afterburn on deceleration
1
2
Poor fuel consumption
5
6
4
3
2
1
Fails emission test
1
2
Engine stalls or rough after hot starting
1
3
2
86U04A-067
4A—45
Summary of Contents for 626 MX-6
Page 1: ...Mazda 626 MX 6 1988 Workshop Manu ...
Page 12: ...1 OUTLINE OUTLINE STRUCTURAL VIEW 4BG01A 002 1 2 ...
Page 93: ...INSTALLATION 1 NON TURBO 86U01X 218 1 83 ...
Page 120: ...3 ELECTRIC FAN ELECTRIC FAN SYSTEM CIRCUIT 3 10 626 MX 6 Revised 10 87 ...
Page 127: ...Exhaust System 86U04A 005 4A 5 ...
Page 140: ...TROUBLESHOOTING WITH SST 4A Code No 12 Throttle sensor PC Possible cause 86U04A 025 r 4A 19 ...
Page 143: ... 4A TROUBLESHOOTING WITH SST Code No 17 Feedback system PC Possible Cause 86U04A 028 4A 22 ...
Page 207: ...CONTROL SYSTEM 4A Wiring Diagram 86U04A 172 4A 89 ...
Page 226: ...OUTLINE 4B Exhaust System 86U04A 005 4B 5 ...
Page 236: ...4B TROUBLESHOOTING WITH SST Code No 01 Ignition pulse PC Possible Cause 86U04B 007 ...
Page 244: ...4B TROUBLESHOOTING WITH SST Code No 12 Throttle sensor PC Possible cause 86U04B 015 4B 24 ...
Page 248: ...4 B TROUBLESHOOTING WITH SST v Code No 17 Feedback system PC Possible Cause 86U04B 019 ...
Page 378: ...5 DISTRIBUTOR H E I TROUBLESHOOTING Non Turbo 7BU05X 089 ...
Page 402: ...7A OUTLINE CROSS SECTIONAL VIEW Non Turbo I 86U07A 004 7A 4 ...
Page 403: ...OUTLINE 7A CROSS SECTIONAL VIEW Turbo 85U07A 005 7A 5 ...
Page 433: ...STEP 3 ASSEMBLY 7A 20 29 N m 2 3 m kg 626 MX 6 Revised 10 87 86U07A 083 7A 35 ...
Page 441: ...STEP 4 Torque Specifications ASSEMBLY 7A 86U07A 110 626 MX 6 Revised 10 87 7A 43 ...
Page 502: ...TROUBLESHOOTING 7B 86U07B 025 No 63 code display Lock up solenoid valve 86U07B 026 7B 19 ...
Page 516: ...TROUBLESHOOTING 7B 626 MX 6 Revised 10 87 7B 33 ...
Page 628: ...ASSEMBLY 7B ASSEMBLY STEP 2 Torque Specifications 86UQ7B 379 626 MX 6 Revised 10 87 7B 145 ...
Page 646: ...INSTALLATION 7B INSTALLATION TORQUE SPECIFICATIONS 626 MX 6 Revised 10 87 86U07B 440 7B 163 ...
Page 714: ...10 OUTLINE SPECIFICATIONS 86U10X 006 Note 2 Wheel steering is abbreviated 2WS ...
Page 717: ...TROUBLESHOOTING GUIDE 10 4WS Rear Steering Gear 1 0 9 ...
Page 722: ...10 ON VEHICLE MAINTENANCE Power Steering 4WS 86U1 OX 235 10 14 ...
Page 775: ...ENGINE SPEED SENSING POWER STEERING 10 10 67 ...
Page 790: ...10 ELECTRONICALLY CONTROLLED POWER STEERING 10 82 ...
Page 871: ...86U11X 141 2 z o g o ANTI LOCK BRAKE SYSTEM ABS 1 1 ...
Page 878: ...11 ANTI LOCK BRAKE SYSTEM ABS 86U11X 148 86U11X 149 86U11X 150 86U11X 151 11 68 ...
Page 906: ...1 3 OUTLINE OUTLINE STRUCTURAL VIEW Front Suspension 13 2 86U13X 002 ...
Page 907: ...OUTLINE 1 3 Rear Suspension 86U13X 003 13 3 ...
Page 926: ...Tightening torque 1 3 FRONT STABILIZER 4WS 13 22 86U13X 047 ...
Page 949: ...Tightening torque REAR CROSSMEMBER 4WS 1 3 86U13X 107 13 45 ...
Page 1029: ...INSTRUMENT PANEL 14 INSTALLATION VIEW 67U14X 003 ...
Page 1051: ...REAR WINDOW WIPER 14 86U14X 181 ...
Page 1058: ...14 UNDERBODY PROJECTED DIMENSIONS UNDERBODY PROJECTED DIMENSIONS f 14 104 86U14X 193 ...
Page 1068: ...LOCATION OF UNIT RELAY AND SWITCH 15 LOCATION OF UNIT RELAY AND SWITCH STRUCTURAL VIEW 15 7 ...
Page 1071: ...15 JOINT BOX AND FUSE JO IN T BOX AND FUSE STRUCTURAL VIEW 86U15X 006 ...
Page 1080: ...METER 1 5 DISASSEMBLY AND ASSEMBLY 86U15X 025 15 19 ...
Page 1082: ...METER 1 5 86U15X 028 15 21 ...
Page 1088: ...WARNING LIGHT AND SENDER 15 WARNING LIGHT AND SENDER CIRCUIT DIAGRAM 86U15X 047 15 27 ...
Page 1091: ...15 WARNING LIGHT AND SENDER 86U15X 053 Door Ajar Warning Light 86U15X 054 86U15X 055 ...
Page 1098: ...1 5 CENTRAL PROCESSING UNIT CPU CIRCUIT DIAGRAM L I 0 15 38 ...
Page 1101: ...TURN AND HAZARD LIGHT 1 5 CIRCUIT DIAGRAM 15 41 ...
Page 1108: ...1 5 HORN HORN STRUCTURAL VIEW 86U15X 089 CIRCUIT DIAGRAM 86U15X 090 15 48 ...
Page 1110: ...15 HEADLIGHT HEADLIGHT STRUCTURAL VIEW 86U15X 093 CIRCUIT DIAGRAM 86U15X 094 15 50 ...
Page 1111: ...HEADLIGHT 15 TROUBLESHOOTING 86U15X 095 86U15X 097 15 51 ...
Page 1115: ...REAR WINDOW DEFROSTER 1 5 TROUBLESHOOTING 86U15X 103 15 55 ...
Page 1117: ...POWER WINDOW STRUCTURAL VIEW POWER WINDOW 1 5 86U15X 108 15 57 ...
Page 1119: ...POWER WINDOW 15 TROUBLESHOOTING 86U15X 110 86U15X 111 15 59 ...
Page 1120: ...15 POWER WINDOW 86U15X 112 86U15X 113 15 60 ...
Page 1129: ...REAR WINDOW WIPER 15 TROUBLESHOOTING 86U15X 128 86U15X 129 K Vi 626 MX 6 Revised 10 87 15 69 ...
Page 1130: ...15 REAR WINDOW WIPER 86U15X 130 86U15X 131 15 70 626 MX 6 Revised 10 87 ...
Page 1134: ...1 5 WINDSHIELD WIPER TROUBLESHOOTING 86U15X 136 15 74 626 MX 6 Revised 10 87 ...
Page 1135: ...WINDSHIELD WIPER 15 86U15X 137 86U15X 138 626 MX 6 Revised 10 87 15 75 ...
Page 1136: ...15 WINDSHIELD WIPER 86U15X 141 86U15X 142 15 76 ...
Page 1139: ...CRUISE CONTROL SYSTEM 1 5 CIRCUIT DIAGRAM 86U15X 147 15 79 ...
Page 1146: ...1 5 SLIDING SUNROOF CIRCUIT DIAGRAM 15 86 ...
Page 1154: ...15 AUTO ADJUSTING SUSPENSION Inspection of circuit 86U15X 159 86U15X 160 15 94 ...
Page 1161: ...POWER DOOR LOCK 15 POWER DOOR LOCK STRUCTURAL VIEW CIRCUIT DIAGRAM BATTERY 86U15X 171 15 101 ...
Page 1166: ...15 AUTOMATIC SHOULDER BELT TROUBLESHOOTING 86U15X 177 r 15 106 ...
Page 1170: ...15 AUDIO SYSTEM OUTLINE OF AUDIO SYSTEM 15 110 86U15X 181 ...
Page 1171: ...AUDIO SYSTEM 15 REAR CONECTOR VIEW 86U15X 250 15 111 ...
Page 1184: ...15 AUDIO SYSTEM POWER ANTENNA STRUCTURAL VIEW 1 Antenna motor 2 Antenna r 15 124 ...
Page 1192: ...00 CD c ro o CD ...
Page 1201: ...THEFT DETERRENT SYSTEM 15 TROUBLE SHOOTING 86U15X 253 15 141 ...
Page 1227: ...SPECIAL TOOLS 40 ENGINE ...
Page 1235: ...FOR TURBO IGNITION SYSTEM E N G I N E FUEL CONTROL SYSTEM 5 0 2 6 ...
Page 1236: ...50 W IR IN Q D IA G R A M 5 0 2 9 ...
Page 1240: ...50 61 ...