Engine - Rough Idle/Misfire At High Speed

87FORD09

^ IDLE - ROUGH - 2.9L - DAMAGED NO. 2 Article No.
SPARK PLUG WIRE 87-4-19

^ 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