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1991 Ford Aerostar Eddie Bauer 4.0L Excessive Emissions, Surge, MIL Lamp on
Posted to Ford Driveability on 1/14/2003 3 Replies

I tested regulator and replaced it,replaced saturated 02 sensor and repaired fuel [...] testing showed baro sensor had bad waveform with correct power [...] baro and retested 02 wave [...] 02 to be stuck lean and now vehicle had no power,and had lean code [......

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car Vehicle Data

1991 Ford Aerostar Eddie Bauer

VIN 1FMDA41X9M
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / multi port
EmissionsOBD1 US fed emissions
SymptomsExcessive Emissions, Surge, MIL Lamp On
OccursUnder Load
Misc.All Wheel Drive
Message Closed w/Summary

car Vehicle Data

1991 Ford Aerostar Eddie Bauer

VIN 1FMDA41X9M
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / multi port
EmissionsOBD1 US fed emissions
SymptomsExcessive Emissions, Surge, MIL Lamp On
OccursUnder Load
Misc.All Wheel Drive