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P0143 Diagnostic Trouble Code Discussion for August 2012

Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0143
Help Request Posted
2000 GMC Jimmy Diamond Edition 4.3L Hesitation, Cuts out VIN: 1GKDT13W0Y
P0143: Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Input. Please help, tired of acting like parts changer. per our fuel psi tests all readings too low(58 koeo, 52 koer (idle), 56 psi koer wot. o2 sensors go to zero b1 26 b2 fuel trims way lean when accelerate heavy or wot. unplugged mass air flow although gm/sec rise...
August 16, 2012
2000 GMC Jimmy Diamond Edition 4.3L Hesitation, Cuts out VIN: 1GKDT13W0Y
P0143: Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Input. Please help, tired of acting like parts changer. per our fuel psi tests all readings too low(58 koeo, 52 koer (idle), 56 psi koer wot. o2 sensors go to zero b1 26 b2 fuel trims way lean when accelerate heavy or wot. unplugged mass air flow although gm/sec rise...
August 20, 2012
2000 GMC Jimmy Diamond Edition 4.3L Hesitation, Cuts out VIN: 1GKDT13W0Y
P0143: Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Input. Please help, tired of acting like parts changer. per our fuel psi tests all readings too low(58 koeo, 52 koer (idle), 56 psi koer wot. o2 sensors go to zero b1 26 b2 fuel trims way lean when accelerate heavy or wot. unplugged mass air flow although gm/sec rise...
August 16, 2012
2000 GMC Jimmy Diamond Edition 4.3L Hesitation, Cuts out VIN: 1GKDT13W0Y
P0143: Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Input. Please help, tired of acting like parts changer. per our fuel psi tests all readings too low(58 koeo, 52 koer (idle), 56 psi koer wot. o2 sensors go to zero b1 26 b2 fuel trims way lean when accelerate heavy or wot. unplugged mass air flow although gm/sec rise...
August 20, 2012