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1999 Ford F-250 Super Duty Lariat 6.8L Surge @ Idle
Posted to Ford Driveability on 4/11/2001

Hi everybody,

The idle speed on this pickup surges up and down, very regularly. It is really bad when cold, but still does it a little when warm. I cleared the codes and drove it a lot-twice. No new codes or or pending codes reappeared. I replaced the air by-...

  Related Documents & Media  1999 Ford F-250 Super Duty Lariat

 
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car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNX20S4X
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge @ Idle
OccursCold, Idle
Message Closed w/FIX

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNX20S4X
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge @ Idle
OccursCold, Idle