P0143 Diagnostic Trouble Code Discussion for August 2012
Heated Oxygen Sensor (Bank 1 Sensor 3) Circuit Low Voltage
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| 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 |
