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1991 GMC Safari 4.3L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Posted to GM Driveability on 11/5/2000

o2 running about 880mv rich,Can see the injectors and they seam to be allowing too much fuel.I can electricly remove one of the injectors and the idle smoothes out and levels as it should [...] you return the injector in service the idle dies and the o2 goes o...

  Related Documents & Media  1991 GMC Safari

 
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car Vehicle Data

1991 GMC Safari

VIN 1GKDM1525M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursAlways, Idle

Trouble Codes

45rich o2
Message Closed

car Vehicle Data

1991 GMC Safari

VIN 1GKDM1525M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursAlways, Idle

Trouble Codes

45rich o2