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1991 Chevrolet Blazer Silverado 5.7L MIL Lamp on
Posted to GM Driveability on 7/18/2004 15 Replies

hello out there-was hoping to get some help on this problem we have-we installed an engine in this vehicle and after you drive for about 10 miles especially up a hill the check engine lite will come and have a est circuit fault-the vehicle immediatly looses po...

15 Replies Received (View Replies)

  Related Documents & Media  1991 Chevrolet Blazer Silverado

 
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet Blazer Silverado

VIN 1GNEV18K2M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

42est circuit fault
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet Blazer Silverado

VIN 1GNEV18K2M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

42est circuit fault