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P1309 Diagnostic Trouble Code Discussion for June 2010

Misfire Detection Monitor


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Trouble Ticket Help Requests for DTC P1309
Help Request Posted
1999 Ford Explorer XLS 4.0L Poor Idle Quality, Hesitation, Misfire, low power VIN: 1FMDU34E8X
P1309: misfire monitor disabled. ... immediately went away.found codes p0107 and p0112,checked wiring and replaced maf due to results(also have retried known good maf since intial replacement).test drove vehicle and set code p1309.test...
June 13, 2010
1999 Ford Explorer XLS 4.0L Poor Idle Quality, Hesitation, Misfire, low power VIN: 1FMDU34E8X
P1309: misfire monitor disabled. ... immediately went away.found codes p0107 and p0112,checked wiring and replaced maf due to results(also have retried known good maf since intial replacement).test drove vehicle and set code p1309.test...
June 14, 2010
1999 Ford F-150 4.2L MIL Lamp on VIN: 1FTZX0721X
P1309: Misfire Moniter Fault. ... syncronizer, truck runs fine and chirping noise is gone. Now, after driving 30 to 200 miles the check engine light comes on and stays on with code P1309 (Misfire moniter fault). I have cleared code numerous times & cleared ...
June 17, 2010
1999 Ford Explorer XLS 4.0L Poor Idle Quality, Hesitation, Misfire, low power VIN: 1FMDU34E8X
P1309: misfire monitor disabled. ... immediately went away.found codes p0107 and p0112,checked wiring and replaced maf due to results(also have retried known good maf since intial replacement).test drove vehicle and set code p1309.test...
June 13, 2010
1999 Ford Explorer XLS 4.0L Poor Idle Quality, Hesitation, Misfire, low power VIN: 1FMDU34E8X
P1309: misfire monitor disabled. ... immediately went away.found codes p0107 and p0112,checked wiring and replaced maf due to results(also have retried known good maf since intial replacement).test drove vehicle and set code p1309.test...
June 14, 2010
1999 Ford F-150 4.2L MIL Lamp on VIN: 1FTZX0721X
P1309: Misfire Moniter Fault. ... syncronizer, truck runs fine and chirping noise is gone. Now, after driving 30 to 200 miles the check engine light comes on and stays on with code P1309 (Misfire moniter fault). I have cleared code numerous times & cleared ...
June 17, 2010