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2001 Chevrolet Impala 3.4L MIL Lamp on
Posted to GM Driveability on 10/31/2007 6 Replies

ok here it is. sister brought car in for emission inspection. check engine light was on. had code p041 b1-s2 o2 sensor heater circuit malfunction. replaced rear oxygen sensor cleared code and test drove to reset monitors. after 3 days still had 3 moitors inclu...

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  Related Documents & Media  2001 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Impala

VIN 2G1WF55E01
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter Engine Cools
Misc.P0141

Trouble Codes

P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Impala

VIN 2G1WF55E01
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAfter Engine Cools
Misc.P0141

Trouble Codes

P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction