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P151B Diagnostic Trouble Code Discussion for November 2021

Rpm lower than expected

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Trouble Ticket Help Requests for DTC P151B
Help Request Posted
2008 Volvo XC70 3.2 3.2L MIL Lamp on VIN: YV4BZ982X8
P151B: idle speed control- rpm lower than expected event informtion. ... illuminated pulled codes P0012-00/P0012-68 intake camshaft position timing over retarded bank 1. P151B-68 idle speed control Rpm lower than expected. P0300 random misfire. Vehicle runs fine wondering if anyone has ran into thi...
November 02, 2021