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1991 Ford Mustang GT 5.0L Excessive Emissions, Poor Idle Quality
Posted to Ford Driveability on 4/17/2002 2 Replies

Hi group. My problem is the car is burning very rich but the o2's are flatlined lean. Injector pulse is 4ms and will not vary. This car will let me do a koeo test but will not do a running test. I disabled the air pump also tested all hots and grounds at the c...

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  Related Documents & Media  1991 Ford Mustang GT

 
Message Closed w/FIX

car Vehicle Data

1991 Ford Mustang GT

VIN 1FACP42E5M
Engine5.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsUS
SymptomsExcessive Emissions, Poor Idle Quality
OccursAlways
Message Closed w/FIX

car Vehicle Data

1991 Ford Mustang GT

VIN 1FACP42E5M
Engine5.0 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsUS
SymptomsExcessive Emissions, Poor Idle Quality
OccursAlways