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1996 GMC Savana 2500 5.0L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
Posted to GM Driveability on 10/3/2002 6 Replies

Truck came in with a cel lamp on and a hesitation only when cold. Retrieved codes and got p0154,p0132,p0152,p0140, p1406. I could see that the O2b1bs1 was hanging lean and not switching. The O2 b2s1 was over 1.0v (heater shorted). replaced all O2 sensors. seem...

6 Replies Received (View Replies)

  Related Documents & Media  1996 GMC Savana 2500

 
Message Closed w/FIX

car Vehicle Data

1996 GMC Savana 2500

VIN 1GTFG25M25
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortec
EmissionsOBD-II Compliant
SymptomsHesitation, Cuts Out, Stall, Misfire, MIL Lamp On
OccursCold, Only for Approx. 30 Seconds
Misc.Cargo Van

Trouble Codes

P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage
P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1996 GMC Savana 2500

VIN 1GTFG25M25
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortec
EmissionsOBD-II Compliant
SymptomsHesitation, Cuts Out, Stall, Misfire, MIL Lamp On
OccursCold, Only for Approx. 30 Seconds
Misc.Cargo Van

Trouble Codes

P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage
P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P0300Multiple Misfire Detected