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1995 Ford F-150 XL 5.0L Surge
Posted to Ford Driveability on 11/12/2009 8 Replies

ran all of the mitchell tests and they pass. cannot duplicate surge on the parkway in front of shop. the 121 code is a hard code and comes up on koeo and koer tests. will not clear. have bob installed and everything looks good. has any one delt with the 121 co...

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  Related Documents & Media  1995 Ford F-150 XL

 
Message Closed w/FIX

car Vehicle Data

1995 Ford F-150 XL

VIN 1FTEX15N2S
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsNot OBD-II Compliant
SymptomsSurge
OccursOn Highway

Trouble Codes

121tps does not correlate with maf.
Message Closed w/FIX

car Vehicle Data

1995 Ford F-150 XL

VIN 1FTEX15N2S
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsNot OBD-II Compliant
SymptomsSurge
OccursOn Highway

Trouble Codes

121tps does not correlate with maf.