Question about 1999 Ford Taurus
HI. there can be many issues here that can cause what you are experiencing at this time. I will list some areas that you should inspect below.
1. Inspect the fresh air intake hose. this hose may be clogged or damaged. replace if needed.
2. Inspect the Fuel pump. This device may have low pressure at this point and, during a correction when in transit, it will cause a surge. this low pressure state can be caused by low voltage or a bad pressure regulator as well. inspect this device thoroughly. replace if needed.
3. Inspect the Intake Manifold Gasket. this gasket may be leaking, worn or, damaged. any issues with this particular gasket will cause surges(erratic Accelerations). replace if damage is shown.
4. Inspect the fuel filter for clog's. if the filter is clogged, it will cause surges as well. replace if needed.
5. Inspect each fuel injector for malfunctioning properties. if the fuel injector(s) are worn or dirty, this will cause many issues with the idle and acceleration as well. test accordingly.
6. Insect all O2 sensors for there operational values. these sensors, if malfunctioning, can cause surging as well. test accordingly for wiring issues and defective sensor housings.(if the O2 sensors are bad, you will have a check engine light on)..
You will find the issue in one or more areas above. inspect thoroughly in each listed area above for faults.
Please rate and god bless:)
Posted on May 13, 2009
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Posted on Jan 02, 2017
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