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1999 Chevrolet Blazer 4.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 9/21/2007 3 Replies

hey guy me again i want to thank you all again for all the help and info it worked wonders lets say i am now a gm man not all that complex rpo and vin codes i recomend learning it helps alot anyways i need to find out how to clean the intake on the blazer quic...

3 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13WXX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / scpi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On
OccursCold, on Accel, After a Hot Soak, Intermittently
Misc.Lt 4WD

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0420Catalyst Efficiency Below Threshold (Bank 1)
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Blazer

VIN 1GNDT13WXX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / scpi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On
OccursCold, on Accel, After a Hot Soak, Intermittently
Misc.Lt 4WD

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0420Catalyst Efficiency Below Threshold (Bank 1)