Jeep J-10 Series 1982 Technical & Service Manual page 416

1J-102 FUEL SYSTEMS
TROUBLE CODE 13
e INSTALL TEST BULB
• GROUND'TEST" WIRE.
• CONNECT DWELL METER TO MC SOLENOID
(USE 6-CYL. SCALE).
e WITH ENGINE IDLING, DISCONNECT OXYGEN SENSOR
CONNECTOR AND CONNECT JUMPER WIRE
BETWEEN CONNECTOR TERMINALS (NOT OXYGEN
SENSOR TERMINALS).
I
| S°-10° DWELL |
1
OVER 10° DWELL
REPLACE OXYGEN
SENSOR
CONNECT JUMPER WIRE BETWEEN
ECM TERMINALS J AND K
r
T
OVER 10° DWELL
REPLACE ECM
1
5°-10° DWELL
REPAIR OPEN IN
OXYGEN SENSOR WIRE
HARNESS BETWEEN
CONNECTOR AND ECM
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