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International Automotive Technicians Network
1996 Chevrolet Blazer 4.3L MIL Lamp on
Posted to GM Driveability on 3/31/2003 9 Replies

Hello GM techs,I've been busting my head on this one. p0172 and po175. Freeze frame shows st trim close to 0 on both banks, and lt trim -17% both banks. Codes set at low speeds, light loads, 175-195 deg. temp., map 9-14 hg.,maf 10-18 gm/sec., 700 -1350 rpm. I ...

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  Related Documents & Media  1996 Chevrolet Blazer

 
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car Vehicle Data

1996 Chevrolet Blazer

VIN 1GNDT13W8T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed

car Vehicle Data

1996 Chevrolet Blazer

VIN 1GNDT13W8T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)