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1991
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F 250 2WD Pickup L6-300 4.9L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Technical Service Bulletins
Emission Control Systems: Technical Service Bulletins
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Customer Interest
Engine - Hesitation/Surge On Cruise/Light Acceleration
EVAP System - MIL ON/Codes 171/173/179 Set
Overview
Preliminary Checks
E-Series Only
F-Series Only
Warranty
By Symptom
Customer Interest
Engine - Hesitation/Surge On Cruise/Light Acceleration
EVAP System - MIL ON/Codes 171/173/179 Set
Overview
Preliminary Checks
E-Series Only
F-Series Only
Warranty
Driveability
Engine - Lack of Power/No Start Diagnosis
Engine - Hesitation/Surge On Cruise/Light Acceleration
False instrument warning light/gauges
EVAP System - MIL ON/Codes 171/173/179 Set
Overview
Preliminary Checks
E-Series Only
F-Series Only
Warranty
Poor performance
Engine - Lack of Power/No Start Diagnosis
All Technical Service Bulletins
Engine - Lack of Power/No Start Diagnosis
Engine - Hesitation/Surge On Cruise/Light Acceleration
EGR Valve Sensor - Obsolete Service Part Return
EVAP System - MIL ON/Codes 171/173/179 Set
Overview
Preliminary Checks
E-Series Only
F-Series Only
Warranty