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1991 Ford F-150 Custom 5.8L Poor Idle Quality, Hesitation, Misfire
Posted to Ford Driveability on 2/7/2022 15 Replies

Upon start up it runs fine then as it warms up it starts to run like it's running out of gas. Has hesitation on throttle and fouls plugs in minutes

15 Replies Received (View Replies)

  Related Documents & Media  1991 Ford F-150 Custom

 
Message Closed w/Summary

car Vehicle Data

1991 Ford F-150 Custom

VIN 1FTEX14H1M
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Efi
EmissionsOBD1
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursCold, Idle

Trouble Codes

22Map sensor
31Egr
61Coolant temp sesor
63Tps
64Air intake temp sensor
67Park nuteral position sensor
Message Closed w/Summary

car Vehicle Data

1991 Ford F-150 Custom

VIN 1FTEX14H1M
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Efi
EmissionsOBD1
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursCold, Idle

Trouble Codes

22Map sensor
31Egr
61Coolant temp sesor
63Tps
64Air intake temp sensor
67Park nuteral position sensor