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1992 Volvo 740 T 2.3L Excessive Emissions, Hesitation
Posted to European Driveability on 5/29/1998

To All VOLVO Techs

The car idles fine and on accelration it will bog down ane back fire through the intake. When driving, it will bog down and black smoke comes out of the exhoust, I pulled codes out of the fuel injection ecu and got code 231. NO codes where ...

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car Vehicle Data

1992 Volvo 740 T

VIN YV1FW8707N
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsUS FED EMISSIONS
SymptomsExcessive Emissions, Hesitation
OccursAlways, Under Load, on Accel
Message Closed w/FIX

car Vehicle Data

1992 Volvo 740 T

VIN YV1FW8707N
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsUS FED EMISSIONS
SymptomsExcessive Emissions, Hesitation
OccursAlways, Under Load, on Accel