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1991 Chevrolet S10 Blazer Tahoe 4.3L Excessive Emissions, Poor Fuel Economy
Posted to GM Driveability on 5/6/2005 12 Replies

the problem i am having is that the customer is concerned with the poor fuel mileage they are getting. I have a code 44 and my block learn is reading 109. Which indicates that i am running rich. I replaced the fuel regulator and o2. All my other sensors are re...

12 Replies Received (View Replies)

  Related Documents & Media  1991 Chevrolet S10 Blazer Tahoe

 
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car Vehicle Data

1991 Chevrolet S10 Blazer Tahoe

VIN 1GNDT13ZXM
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsExcessive Emissions, Poor Fuel Economy

Trouble Codes

44lean exhaust
Message Closed

car Vehicle Data

1991 Chevrolet S10 Blazer Tahoe

VIN 1GNDT13ZXM
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsExcessive Emissions, Poor Fuel Economy

Trouble Codes

44lean exhaust