P1688 Diagnostic Trouble Code Discussion for October 2009
Unmanaged Engine Torque Signal Delivered To TCM
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Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1688
| Help Request | Posted | |
| 2004 Mazda RX-8 1.3L MIL Lamp on VIN: JM1FE17314 P1688: Metering Oil Pump Control Circuit Initial Check Malfunction. Code 1688 always there, will not clear even before starting engine. I don't want to put a 1000 dollar pump on before I exhaust all options, what do we think? |
October 10, 2009 |
