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Old 08-20-2009, 20:22   #1 (permalink)
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98 Taurus - fuel issue or EGR - HELP!

Hi all,

I have a 98 Taurus with 160,000 miles. First off the engine is very smooth and powerful when idling and cruising at a constant speed. I have to crank the engine a number of times and finally the engine will start and idle fine after a sluggish start. When cranking it seems to me that the engine is not getting fuel. I have turned the key on and off to prime the fuel prime lines and such, but that does not seem to help. Once started I have noticed that it is sluggish if you press the accelerator quickly. When I first put the car in gear it will stutter and sometimes stall. When taking off from a stop it will stutter terribly and I have to feather the gas pedal and seems to be worse if there is more load on the system (i.e. air conditioner). Once it is up to speed it cruises smoothly. I have changed the fuel pump recently and the fuel filter.

Thanks,
Greg
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Old 08-21-2009, 04:26   #2 (permalink)
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Re: 98 Taurus - fuel issue or EGR - HELP!

When was the last time plugs and wires were changed?

Is the check engine light on?
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Old 08-21-2009, 06:40   #3 (permalink)
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Re: 98 Taurus - fuel issue or EGR - HELP!

No, the check engine light is not on.
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Old 08-21-2009, 19:43   #4 (permalink)
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Re: 98 Taurus - fuel issue or EGR - HELP!

Cam Sensor ??
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Old 08-22-2009, 07:22   #5 (permalink)
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Re: 98 Taurus - fuel issue or EGR - HELP!

Also be sure that plugs are gaped correctly when installed.
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Old 08-22-2009, 09:22   #6 (permalink)
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Re: 98 Taurus - fuel issue or EGR - HELP!

Coolant temp sensor and Air Charge Temp sensor. If either is on vacation, it will not tell the computer to add some extra fuel when the engine is cold or the outside air is cold. They take the place of the choke on carburetors.
They may or may not throw a code, as the ECM doesn't know what time of year it is and has nothing to compare to the values it gets from the sensors.
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