Explorer 4WD V6-245 4.0L (1991)
Technical Service Bulletin # 9025B2
Date: 901221
Engine Idle Adjustment Procedures - Revision
ENGINE/EMISSIONS DIAGNOSIS SHOP MANUAL - 1991 - SECTION 9 - IDLE ADJUST PROCEDURES REVISED FOR APPLICATIONS
WITHOUT SLUDGE TOLERANT THROTTLE BODY
Article No. 90-25B-2
FORD:
1991 PROBE
LIGHT TRUCK:
1991 AEROSTAR, EXPLORER, RANGER
ISSUE:
The Idle Adjust Procedures in the 1991 Engine/Emissions Diagnosis Shop Manual have been revised to cover applications that do not have
the sludge tolerant throttle body. These are 1991 Aerostar, Explorer, and Ranger trucks with 4.0L engines. The 3.0L Probe has a sludge
tolerant throttle body.
ACTION:
Refer to the pages following this TSB article for the revised procedures.
NOTE:
A SLUDGE TOLERANT THROTTLE BODY IS IDENTIFIED BY A 91TF-AA PREFIX AND SUFFIX IN THE PART NUMBER.
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: INFORMATION ONLY