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Old 03-22-2012, 11:51   #1 (permalink)
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confused 1995 Taurus Rough Idle

title pretty much says it... I've changed the fuel filter, ran seafoam through it to clean it all out, changed spark plugs/wires/cap/rotor.. It's kind of strange though (atleast to me) because it it only does it when I first start it (sometimes it will stall through its rough idling sometimes it wont) and it doesnt do it every time I start it... The check engine light isnt on or anything. I'm going to go get some MAF cleaner in a little bit and try that.
Any suggestions would be greatly appreciated.

Thanks in advance!
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Old 03-22-2012, 13:08   #2 (permalink)
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Re: 1995 Taurus Rough Idle

Could try replacing engine coolant temp sensor . This lets the ecu know how much fuel to supply to engine , i,e more fuel when starting from cold .
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Old 03-22-2012, 13:40   #3 (permalink)
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Re: 1995 Taurus Rough Idle

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Originally Posted by R.S.LOGAN View Post
Could try replacing engine coolant temp sensor . This lets the ecu know how much fuel to supply to engine , i,e more fuel when starting from cold .

Where is that sensor located?
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Old 03-22-2012, 14:25   #4 (permalink)
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Re: 1995 Taurus Rough Idle

Check next to the thermostat. Probably two sensors there , one for the gauge , the other sensor with the grey connector I think is the actual CTS for the computer.
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Old 03-22-2012, 14:32   #5 (permalink)
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Re: 1995 Taurus Rough Idle

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Originally Posted by R.S.LOGAN View Post
Check next to the thermostat. Probably two sensors there , one for the gauge , the other sensor with the grey connector I think is the actual CTS for the computer.

Theres only 1 by the thermostat.. i looked all over the place, and theres one that looks just like it on the intake manifold, could this be it?
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Old 03-22-2012, 14:48   #6 (permalink)
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Re: 1995 Taurus Rough Idle

If there is only one near the thermostat , the one on the intake manifold, next to the water outlet is probably the correct sensor .
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Old 03-22-2012, 15:18   #7 (permalink)
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Re: 1995 Taurus Rough Idle

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If there is only one near the thermostat , the one on the intake manifold, next to the water outlet is probably the correct sensor .
Actually the one on the intake was a "Air Charge Temperature Sensor".. it looked pretty nasty too, could this be the issue?
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Old 03-22-2012, 15:34   #8 (permalink)
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Re: 1995 Taurus Rough Idle

This explains Air charge temp sensor ,

Engine Air Temperature Sensors
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Old 03-23-2012, 08:46   #9 (permalink)
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Re: 1995 Taurus Rough Idle

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This explains Air charge temp sensor ,

Engine Air Temperature Sensors

Its kind of hard to tell because it didnt do it all the time, but that seemed to fix it.. Thank You so much!
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Old 03-23-2012, 09:32   #10 (permalink)
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Re: 1995 Taurus Rough Idle

Glad it's fixed. Thanks for the update.
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