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1992 Chevrolet K1500 Suburban 5.7L Excessive Emissions, Poor Fuel Economy, low power
Posted to GM Driveability on 9/22/2003 5 Replies

ever since rebuilt engine (by local machine shop) has been low on power,poor milage, and real bad sulfer [...] is not trying to adjust for any lean or rich condition. O'2 waveform good,temp sensor correct to engine temp. tp sensor sweep good. egr function [......

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car Vehicle Data

1992 Chevrolet K1500 Suburban

VIN 1GNFK16KXN
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI 13 PSI
EmissionsUS
SymptomsExcessive Emissions, Poor Fuel Economy, Low Power
OccursAlways
Message Closed w/FIX

car Vehicle Data

1992 Chevrolet K1500 Suburban

VIN 1GNFK16KXN
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI 13 PSI
EmissionsUS
SymptomsExcessive Emissions, Poor Fuel Economy, Low Power
OccursAlways