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2000 Chevrolet Blazer LS 4.3L MIL Lamp on, BLOWS FUSE
Posted to GM Driveability on 11/22/2006 8 Replies

cust. came in with engine light on, checked codes found codes for o2 sesors heater circuit. also blows 20 amp fuse for [...]. have replaced [...],and checked wireing harness. has anybody ran into this before?

8 Replies Received (View Replies)

  Related Documents & Media  2000 Chevrolet Blazer LS

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Blazer LS

VIN 1GNDT13W1Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Blows Fuse
OccursDrive Cycle
Misc.4` Wheel Drive

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0147Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Blazer LS

VIN 1GNDT13W1Y
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Blows Fuse
OccursDrive Cycle
Misc.4` Wheel Drive

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0147Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction