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2000 Ford Taurus SE 2-Valve 3.0L Excessive Emissions, Poor Fuel Economy, MIL Lamp on, open loop
Posted to Ford Driveability on 4/30/2008 13 Replies

vehicle runs rich with o2 sensors,all 4,hovering around .9v;with the computer in open [...] a vacumn leak is created,o2 sensors become normal,computer goes to closed [...] and mas sensors seem [...] initially replaced the engine;it ran fine for 4 weeks than th...

13 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

2000 Ford Taurus SE 2-Valve

VIN 1FAFP55U3Y
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp on, Open Loop
OccursAlways
Message Closed w/Summary

car Vehicle Data

2000 Ford Taurus SE 2-Valve

VIN 1FAFP55U3Y
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp on, Open Loop
OccursAlways