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1995 Ford Aerostar 4.0L Excessive Emissions, Pinging
Posted to Ford Driveability on 10/24/2012 19 Replies

Hi, this van failed for nox 850ppm (550 max) and ping under load and going up hill. Doesn't have a EGR system or a distributor. Maf looks new and clean. When the spout is disconnected the ping goes away and nox down to 250ppm. Didn't get a chance to check timi...

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car Vehicle Data

1995 Ford Aerostar

VIN [No VIN Available]
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / Sefi
EmissionsNot OBD-II Compliant
SymptomsExcessive Emissions, Pinging
OccursUnder Load, on Accel
Message Closed w/FIX

car Vehicle Data

1995 Ford Aerostar

VIN [No VIN Available]
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / Sefi
EmissionsNot OBD-II Compliant
SymptomsExcessive Emissions, Pinging
OccursUnder Load, on Accel