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1996 Ford Aerostar 4.0L Poor Idle Quality, Hesitation, Surge, MIL Lamp on
Posted to Ford Driveability on 3/20/2002 9 Replies

I have this Aerostar with a 171 bank 1 lean code.I have checked all possible causes ofr this;low fuel pressure,intake leaks ect...The funny thing is I have 4ms pulse width one bank 1,but bank two shows over 100 ms!Some times you an drive the van a while and th...

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Message Closed w/FIX

car Vehicle Data

1996 Ford Aerostar

VIN IFMDA31X3T
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, MIL Lamp On
OccursAlways
Message Closed w/FIX

car Vehicle Data

1996 Ford Aerostar

VIN IFMDA31X3T
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, MIL Lamp On
OccursAlways