Engine Buck/Misfire at Freeway Speeds on Ford Taurus

The engine may misfire and/or buck while driving at freeway speeds with no fault code stored in the powertrain control module (PCM). This can be caused by an intermittent fault with the camshaft synchronizer assembly. This condition can be diagnosed by monitoring knock sensor data as per Ford service bulletin #05-22-12. Replacement of the synchronizer assembly will be required to correct this concern.

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Average mileage: 119,655 (11,200–289,800)
Engines affected: 3.0L V6, 3.0L V6 DOHC, 3.8L V6
12 model years affected: 1993, 1995, 2000, 2001, more2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
80 people reported this problem
35 people shared problem details
2008 Ford Taurus86,000
the car will run smoothly then without notice it will chug a few times. This genrally happens at 55 to 70 MPH and when on an incline. It will sometimes happen at lower speeds but doea not seem to do it below 40 MPH.
2000 Ford Taurus- 3.0L V6 DOHC70,000
engine cuts out, knocks and bucks around 40 to 60 miles per hr. problem not solved yet. anyone have any advise?
2008 Ford Taurus150,000
the engine will buck or flutter for no reason. Car is crusing at 40 and will begin to skip and flutter a few times, then stop. No codes are being found. It also clucks or slams a bit when accelerating up a slight incline. This is random and no mechanic has been able to fix it. A warmer car seems to have it happen more often. Some days it will buck and jump 10 times, others, none at all. Has anyone fixed this????
2002 Ford Taurus- 3.0L V6100,000
engine chugs at high speed when going into passing gear. worse when engine is warm
2003 Ford Taurus- 3.0L V693,000
Freeway Driving~ When I drive 65pmh the car bucks like it is trying to stall out. Very Frightening~
2000 Ford Taurus- 3.0L V6 DOHC289,800
bucks for a second then fine again, somedays not at all. Its getting worse.
Engine misfires, bucks and jerks at highway speeds, particularly toward the end of long trips (2- 4 hour trips). Had camshaft replaced and it went away for about 3 months then returned!
2002 Ford Taurus- 3.0L V668,475
feels jerky at 40 mph, recently informed the bird chirping noise is the synchronizer making itself known it needs to be replaced,
2006 Ford Taurus- 3.0L V6159,000
Car runs sluggish and jerks from time to time when accelerating, check engine light stays on continuosly...
2008 Ford Taurus83,000
Ford Taurus X, vehicle chugs uphill, bucks.
2008 Ford Taurus- 3.0L V6 DOHC130,000
Engine misses at freeway speeds. Some relief if car O/D shut off. Replaced all 6 coils, and problem went away for a bit. Started up again after about 300 miles. Most noticable on freeway, and when beginning up hills. If car shifts into lower gear, problem usually goes away.
2008 Ford Taurus115,000
Chugging at 55 mph
2002 Ford Taurus- 3.0L V6 DOHC29,456
my 2002 Ford Taurus SE only 30,000 miles on it the problem is when I try to merge into traffic from 40 miles an hour up to 68 bucks and it almost dies what can I do about that
2006 Ford Taurus- 3.0L V6127,000
misfire on acceleration speeds and crusing highway speeds
2001 Ford Taurus- 3.0L V6 DOHC188,000
At around 65 mph there is a shudder and what seems to be a misfire
2003 Ford Taurus- 3.0L V633,000
not fixed yet
2001 Ford Taurus- 3.0L V6125,000
Started jerking while under load. More often at highway speeds accelerating up hills.
2008 Ford Taurus- 3.0L V690,000
Noticed first during summer. I thought it improved during winter, but it came back. It has steadily moved from happening only in the 55 mph range, out to the 40 - 60 mph range. I haven't had it fixed. I just now found out that it is a known problem.
It usually happens when I try to speed up to get on to the freeway...or just trying to accelerate too fast instead of gradually....
2007 Ford Taurus170,000
Bucks between 49-60mph
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