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P0030 Diagnostic Trouble Code Discussion for August 2009

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0030
Help Request Posted
2005 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN46D95
P0030: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. have this vehicle light came on about 3 months ago for same codes someone cleared them and shipped car now im working on it now i have substituded known good o2 sensors and mass air flow sensors and im at a loss no vac. leaks or intake leaks exhaust system is ...
August 18, 2009
2006 Pontiac G6 3.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on, no throttle input VIN: 1G2ZG55876
P0030: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction. ... the following info: *check engine light on *after starting car, RPMs redline then it idles down *once in awhile it will start then die almost immediately *strangest behavior is that after i put the car in gear, the display reads "ENG PWR Reduced...
August 18, 2009