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1995 GMC K3500 Sierra SL 7.4L Low power
Posted to GM Driveability on 10/19/2011 16 Replies

was brought in for poor idle and performance, sometimes on wot throttle snap it will pop through TBI unit and cover the shop with a ton of black smoke from exhaust. has not done this since the oxygen sensor was replaced now i just cant give it more than 1/4 th...

16 Replies Received (View Replies)

  Related Documents & Media  1995 GMC K3500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1995 GMC K3500 Sierra SL

VIN 1GDHK33N7S
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsNot OBD-II Compliant
SymptomsLow Power
OccursAlways
Misc.Tbi
Message Closed w/FIX

car Vehicle Data

1995 GMC K3500 Sierra SL

VIN 1GDHK33N7S
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
EmissionsNot OBD-II Compliant
SymptomsLow Power
OccursAlways
Misc.Tbi