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P1159 Diagnostic Trouble Code Discussion for December 2005

Air Fuel Sensor (Bank 1 Sensor 1) AFS+ Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P1159
Help Request Posted
1999 Hyundai Grandeur 3.0L Hesitation VIN: KMHFU41DRY
P1159: Variable induction system. This vehicle bogs down slightly under acceleration but does not appear to misfire. All serial data appears normal. The fault code may be a red herring because the TSB for the variable induction system code says this fault is unlikely to affect driveability. Th...
December 02, 2005