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1998 Ford F-150 Lariat 4.6L Poor Idle Quality, High Idle
Posted to Ford Driveability on 3/13/2009 13 Replies

Thanks to all the help and suggestions in advance. I have this 98 Ford F150 that came in with the MIL on and found code P1120 checked tps out and it was cutting out. Replaced the sensor with a Motorcraft sensor and still idles high. I can go in to the idle air...

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  Related Documents & Media  1998 Ford F-150 Lariat

 
Message Closed w/FIX

car Vehicle Data

1998 Ford F-150 Lariat

VIN 1FTZX18W8W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, High Idle
OccursAlways

Trouble Codes

P1120TP Sensor 1 Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1998 Ford F-150 Lariat

VIN 1FTZX18W8W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, High Idle
OccursAlways

Trouble Codes

P1120TP Sensor 1 Circuit Malfunction