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1985 Ford E-350 Econoline XL 4.9L Loud Backfire
Posted to Ford Driveability on 12/6/1997

Hi folks.

The problem with this van is that it back fires when the key is turned off. It doesn't do it every time, only when we give it back to the customer. The ignition system tests good. Oscilliscope pattern is good. Emissions are good. I have noticed tha...

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car Vehicle Data

1985 Ford E-350 Econoline XL

VIN 1FBHS31Y7F
Engine4.9 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / Carburetor
EmissionsUS Federal non catalyst
SymptomsLoud Backfire
OccursIntermittently
Misc.1 Ton Van
Message Closed

car Vehicle Data

1985 Ford E-350 Econoline XL

VIN 1FBHS31Y7F
Engine4.9 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryCARB / Carburetor
EmissionsUS Federal non catalyst
SymptomsLoud Backfire
OccursIntermittently
Misc.1 Ton Van