Sounds like the light switch is not always switching off. Try getting at the back of the switch and figure out which wire goes to the park lights (probably one of the smaller wires, you can possibly identify the colour of the wire by removing the tail light cover and seeing which wire goes to the park light globe). Once you identify the wire switch the lights off (I assume the rogue park lights stay on) disconnect the wire. If the park lights go off, the fault almost certainly lies with the light switch. If the rogue park lights remain on then power is getting to the park light wires after the switch. You could try to find where the park light wires are touching live wires ( a difficult job) or cut the old wires off at the switch and the park lights and run new wires from the switch to the park lights.
LPG
SOURCE: 2003 Ford Taurus wants to die when coming to a stop
TRY THIS AND LET ME KNOW IF IT CORRECTS YOUR PROBLEM
Here is the most common cause of surges and stalls at stops and low erratic idle speed and rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake
SOURCE: 2004 FORD TAURUS
Sounds like the keyless entry system is on the fritz. You will probably have to get a new brain for the keyless entry system.
SOURCE: 2001 ford 4.6 liter idles rough sometimes dies
may need 1 0r more coil packs replaced,or it could be what happened to my 2000 4.6---1 lifter expanded out and wouldnt collapse,causing the rocker arm to fall out of place and the valve could never open...try unplugging 1 coil pack at a time while running and listen for a change in the way it runs,if there isnt a change then its probably a bad coil pack,find a cylinder that runs and swap the coil packs,if no difference then its probably the valve staying shut.
SOURCE: 1997 ford taurus have to give it gas to start it
From your description of the problem The first thing that comes to light is the idle air control valve.
This devise is mounted near the throttle body and controls the airflow past the throttle plate when the throttle is closed.
There isn't a position sensor on itso if it becomes sticky it won't turn on your check engine light.
It's a fairly common problem. I have tried in the past to free them up but it never seems to work out well.
Hope this helps you along to a repair.
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SOURCE: 2004 ford taurus occasionaly wont start right up.
Can you tell me if it was in fact the starter? I have an 04 Ford Taurus with 99K miles on it. This week when I started it up, not everytime but often the abs, brake, tire and traction control lights will stay on. Also the computer display will read either park brake engaged or passenger door ajar. I turn it off and start it again and the issue goes away. This morning it acted as though it had a dead battery and I had the clicking sound behind the dash as well as the vibrating needles. Thanks!
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