Having problems with your 2001 Ford Taurus ?
P1309 misfire code
\015 MISFIRE MONITOR AICE CHIP FAULT, MISFIRE MONITOR DISABLED\015
Could be that the camshaft position sensor could be defective, or the camshaft synchronizer (the part that took the place of the distributor on DIS engines) is failing, or if you have recently had the camshaft synchronizer replaced it could be out of time....
Repair Help & Product Troubleshooting for 2001 Ford Taurus
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