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P1309 Diagnostic Trouble Code Discussion for May 2004

Misfire Detection Monitor

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Trouble Ticket Help Requests for DTC P1309
Help Request Posted
1999 Ford Explorer XL 4.0L MIL Lamp on VIN: 1FMZV34X1X
P1309: misfire monitor fault. hi techs looking for help on this one. this suv came in with these repairs done. so we thought this would be easy because another shop replace all the parts for the codes. well we check the codes again and check for input and output from the computer. we found...
May 26, 2004