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P0120 Diagnostic Trouble Code Discussion for May 2005

Throttle Position Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0120
Help Request Posted
1996 Oldsmobile 88 Royale 3.8L Surge, Cuts out, MIL Lamp on VIN: 1G3HN52K7T
P0120: maf frequency low. This car came in with a CEL and intermitant stumble. Pulled the codes and checked failure records. P0102 came up and under failure the baro read 60iHg. Followed test procedures and was instructed to replace MAF. Replaced with aftermarket MAF. Still same proble...
May 07, 2005