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Engine idle problems 94 Bronco w/5.8L

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Old Nov 4, 2004 | 08:18 PM
  #1  
80Bronco94's Avatar
80Bronco94
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From: Thayne, WY
Question Engine idle problems 94 Bronco w/5.8L

What sensors control the idle at start up? Everytime I start it, it wants to die, unless I bury my foot in the gas until it warms up. I have replaced the TPS, IACV and a new MSD coil all in the last 2 weeks and the problem keeps getting worse. I have not been getting any Check Engine lights and have not seen any codes, except the TPS code 73. I am stumped and dont have the experience to know what else to do. The shops want too much of my blood to even look at it, so I come to you guys for help. Thank you.
 
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Old Nov 5, 2004 | 02:33 AM
  #2  
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ECT sensor behind the waterneck/thermostat in the lower intake manifold. Sends coolant temp info to the PCM which interprets this info and adjusts idle accordingly.
 
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