Bronco II 2WD V6-177 2.9L (1986)
Ignition Cable: All Technical Service Bulletins
Engine - Rough Idle/Misfire At High Speed
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IDLE - ROUGH - 2.9L - DAMAGED NO. 2 Article No.
SPARK PLUG WIRE
87-4-19
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ENGINE MISS - 2.9L - AT HIGH SPEED/HIGH LOAD - DAMAGED NO. 2 SPARK PLUG WIRE
LIGHT TRUCK 1986 RANGER, BRONCO II
ISSUE:
Rough idling and/or engine miss firing at high speed or under a high load may be caused by a damaged No. 2 spark plug wire. The spark plug
wire may have been incorrectly routed and the anti-abrasion sleeve may have been omitted at the time of assembly.
Figure 20 - Article 87-4-19
ACTION:
To correct this, inspect the No. 2 spark plug wire for chafing. If the spark plug wire is chafed, install a new level spark plug wire (E6TZ-
12286-A) and wire separator (E4AZ- 12297-A) as shown in Figure 20.
PART NUMBER
PART NAME
CLASS
E6TZ-12286-A
Spark Plug Wire
CG
E4AZ-12297-A
Wire Separator
C
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Reimbursable within the provisions of the Warranty and Policy Manual
OPERATION: 12259A
TIME:
0.5 Hr. DLR. CODING: Basic Part No. 12286 - Code: 30