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1996 Chevrolet C1500 Suburban 5.7L MIL Lamp on, No closed loop opera
Posted to GM Driveability on 10/12/2011 8 Replies

Hello & thanks to all who wish to help. This is my first encounter with this truck AND this type of problem. Truck came in MIL on & codes p0134 & P0152. Scan pids showed B1S1 at 438mv and B2S1 at 642mv. Thru this whole thing never saw closed loop. ECT is 199 d...

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  Related Documents & Media  1996 Chevrolet C1500 Suburban

 
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet C1500 Suburban

VIN 3GNEC16R0T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, No Closed Loop Opera
OccursAlways, Cold, Hot, Under Load, on Decel, Cruise, Idle

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0152Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet C1500 Suburban

VIN 3GNEC16R0T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, No Closed Loop Opera
OccursAlways, Cold, Hot, Under Load, on Decel, Cruise, Idle

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0152Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage