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P0030 Diagnostic Trouble Code Discussion for August 2006

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
1993 Cadillac Eldorado Sport 4.6L Surge VIN: 1G6EL12Y4P
P0030: Idle speed control motor. Hello fine techs: This El dorado came as a no-start. We found wires from crank sensors were inverted at ign. module. We repaired them and car now starts but idle is always surging between 800 and 1500 rpms. We tested for vacuum leaks with smoke machine and no...
August 22, 2006