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1988 Ford F-250 Custom 5.8L Poor Idle Quality
Posted to Ford Driveability on 12/17/2007 7 Replies

This one has me stumped and will be grateful for any insight anyone may [...] first started the truck Idles Nomally,when it warms and goes into closed loop the idle increases to about 2000 [...] the Iac motor returns the engine to base [...] had a vehicle spee...

7 Replies Received (View Replies)

  Related Documents & Media  1988 Ford F-250 Custom

 
Message Closed w/FIX

car Vehicle Data

1988 Ford F-250 Custom

VIN 1FTHX26H7J
Engine5.8 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / Port Fuel Injection
EmissionsUS Fed
SymptomsPoor Idle Quality
OccursWhen in Closed Loop

Trouble Codes

29Vehicle Speed Sensor
Message Closed w/FIX

car Vehicle Data

1988 Ford F-250 Custom

VIN 1FTHX26H7J
Engine5.8 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / Port Fuel Injection
EmissionsUS Fed
SymptomsPoor Idle Quality
OccursWhen in Closed Loop

Trouble Codes

29Vehicle Speed Sensor