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P0194 Diagnostic Trouble Code Discussion for September 2010

Electronic Throttle Control System - Mechanical Fault

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Trouble Ticket Help Requests for DTC P0194
Help Request Posted
2004 Volvo S40 1.9L MIL Lamp on VIN: YV1MS38284
P0194: fuel rail pressure sensor circuit intermittant. ... the P0191, P0192, P0194, tried wiggling the sensor wiring to recreate a fault, car runs good according to customer, tried running seafoam through it, cleared the codes, a few weeks later the codes came back along with the...
September 20, 2010