5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

wont idle when cold

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Old 10-21-2004, 08:30 PM
  #1  
nemethjames1
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Default wont idle when cold

my car sat for about 4 days, and its real cold here, i went to go start it, and it wouldnt idle, the tps is new, and set at .98.... and i cleand the iac with chemtool and it didnt make no difference....... 88 EFI
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Old 10-21-2004, 09:07 PM
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vfast
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Default RE: wont idle when cold

did you clean the throttle body and egr?....you may have a 02 sensor going or a temp sensor on the manifold
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Old 10-21-2004, 09:43 PM
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nemethjames1
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Default RE: wont idle when cold

i was thinking a temp sensor on the manifold, the throttle body and eger and stuff are brand new.... witch sensor could it be? the one for the gauge? i didn think so, maybe the one on the heater lines going across the intake?
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Old 10-22-2004, 02:02 PM
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roundman
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Default RE: wont idle when cold

the sensor on the heater supply lines going across the intake is the one that sends the temperature signal to the ECU, the other one just works the dash temp gauge.
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Old 10-22-2004, 03:56 PM
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nemethjames1
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Default RE: wont idle when cold

yea, i didnt think the dash gauge could do ANYTHING... but than there is one more besides the one that talks to ECU, theres one thats bolted to the right side of the intake, with a round connector, bolts right into the lower, does anyone know what that does?
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