taurus electronic engine control

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  #1  
Old 07-02-06, 06:30 AM
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taurus electronic engine control

I think my electronic engine control is gone bad again. Engine runs rough and stalls at idle,Tach is fluctuating,engine speed varies. 1998 ,24 V, 67k mikes. Could this have gone bad? Its about 3 mos. old and just started again.. Could Anything else be wrong?
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Old 07-02-06, 07:37 AM
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Correction: This is called a ..Vehicle speed sensor
 
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Old 07-03-06, 09:41 AM
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Is you check engine light on?
 
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Old 07-03-06, 11:24 AM
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I took the car to my mechanic. Check engine light was on.
codes po171 and po174 showed up. 'System too lean' The car is fixed now(vacuum leak) and i was wondering what the codes were for.
 
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Old 07-03-06, 05:05 PM
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Originally Posted by daswede
I took the car to my mechanic. Check engine light was on.
codes po171 and po174 showed up. 'System too lean' The car is fixed now(vacuum leak) and i was wondering what the codes were for.


It was to lean because of the vacuum. The ecu thought only the air it measured was going in the engine to it put the fuel in accordingly. With the vacuum leak you were putting way more (leaking)air in than it knew and leaned it out.
 
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Old 07-03-06, 05:38 PM
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Thanks. Have a happy 4th
 
  #7  
Old 07-04-06, 01:24 PM
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ALWAYS start with the known instead of the unknown. Get that CHECK ENGINE LIGHT CODE PULLED FIRST!!!!

Glad it worked out for you...
 
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