P1299 Diagnostic Trouble Code Discussion for October 2011
Vacuum Leak Present With IAC Valve Fully Seated
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| Help Request | Posted | |
| 1998 Ford Expedition XLT 4.6L Loss of power VIN: 1FMRU18W1W P1299: Fail safe stradegy active. Sudden power loss & check engine light comes on intermitent ( twice in 2 months ). I know that the fail safe is causing the power loss but the vehicle is not overheating & scanning the coolant sensors show them close together. Cannot duplicate problem.... |
October 17, 2011 | |
| 2005 Ford F-150 STX 4.2L MIL Lamp on VIN: 1FTRF12235 P1299: cylinder over temp. customer has been here twice. 1st time replaced temp sensor in head. didn't fix it. 2nd time replaced a couple plugs and coil pack didn't fix. temp gauge moves up fast and then goes into limp in mode. turn off key temp gauge moves down fast and it reboots comp... |
October 19, 2011 | |
| 2005 Ford F-150 STX 4.2L MIL Lamp on VIN: 1FTRF12235 P1299: cylinder over temp. customer has been here twice. 1st time replaced temp sensor in head. didn't fix it. 2nd time replaced a couple plugs and coil pack didn't fix. temp gauge moves up fast and then goes into limp in mode. turn off key temp gauge moves down fast and it reboots comp... |
October 20, 2011 |
