Question about 1999 Ford Taurus
While stoped it wants to take off keeps bucking and I don't even push the gas
If the idle speed is not steady, you could have a sticking idle speed control valve, or a dirty throttle body.
Posted on Dec 12, 2012
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Posted on Jan 02, 2017
SOURCE: Bucking on Hard Acceleration
You best bet would be to look for the vacuum diagram and just take a day to make sure all of the lines to the engine and tranny are all correct. If its not it and while bucking the car feels like its going to turn off on you then it maybe a fuel delivery problem.
Posted on Aug 29, 2008
SOURCE: bucking while idling
Have the upper and lower intake manifold checked. It needs to be a cold start. 2000's are notorious for having the gaskets crack and leak. This may be causing the engine to idle rough at start-up ans somewhat disappear after warming. Winter starts can shake the steering wheel!
P.s. I had it fixed at 65,000 miles (warranty), and am having it fixed again at $120,000 miles.
Posted on Jun 17, 2009
I'm having the same problem with my 90 2.3L Ranger. I replaced the EGR Valve back in August and the truck ran fine (but the gas mileage was bad) until late December . I knew it needed an O2 Sensor back in August but didn't replace it until last Saturday along with the Idle Air Control Valve, Plugs and Wires. The truck ran fine for a couple minutes then started running like a VW bug! My code reader is now throwing out an EGR failure code, so I guess i'll take the 4 month EGR back and get a new one, and see what that does!
Posted on Jan 25, 2011
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