U1027 Diagnostic Trouble Code Discussion for March 2009
Invalid/missing engine revolutions per minute data
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| Help Request | Posted | |
| 2000 Mercury Grand Marquis LS 4.6L Cuts out, Stall, Misfire, MIL Lamp on VIN: 2MEFM75W3Y U1027: Invalid/missing engine revolutions per minute data. This message is part help request and part informational. I hope it helps someone else sometime. The vehicle came in with a misfire/ stalling condition. Whenever it misfired the temp guage(digital)would jump all the way to hot, and when the misfire stopped, ... |
March 03, 2009 |
