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1999 Chevrolet Blazer 4.3L Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy
Posted to GM Driveability on 6/6/2007 30 Replies

hi there this started out to be minor and got worse noticed poor gas mileage and did tune up with no change in mileage often hesitates and stumbles had i 1 mil pop up for system lean bank 1 but it smells rich and just this week i smelled rotten egg and a rattl...

30 Replies Received (View Replies)

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car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13WXX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Stall, Poor Fuel Economy
OccursAlways
Misc.Lts 4WD

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13WXX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Stall, Poor Fuel Economy
OccursAlways
Misc.Lts 4WD

Trouble Codes

P0171Fuel System Too Lean (Bank 1)