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1997 Ford F-150 Lariat 4.6L Poor Idle Quality, Hesitation, MIL Lamp on
Posted to Ford Driveability on 3/16/2005 6 Replies

This Ford came in because of a complaint of rough idle and hesitating. With KOEO B1S1 O2 reads 1.67v all the others read .0 like they should. The vehicle does idle rough and seems underpowered. Driving the vehicle the other three O2 sensors are working fine bu...

6 Replies Received (View Replies)

  Related Documents & Media  1997 Ford F-150 Lariat

 
Message Closed w/FIX

car Vehicle Data

1997 Ford F-150 Lariat

VIN 1FTDX1869V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursNot Applicable

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
Message Closed w/FIX

car Vehicle Data

1997 Ford F-150 Lariat

VIN 1FTDX1869V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursNot Applicable

Trouble Codes

P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction