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94 f-350 with 460 has me stumped!

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  #16  
Old 10-27-2014, 09:58 PM
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Ok I found the map sensor. It was all hooked up. Unplugged it and tried to start it. No go
 
  #17  
Old 10-28-2014, 04:05 AM
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http://www.troublecodes.net/ford/eectest/

Just need a test light for codes.
 
  #18  
Old 10-28-2014, 06:14 AM
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You do not even need a test light to get the codes.
Get paper and a pen, ground the STI wire under the hood, get behind the wheel and turn on the key and start counting.

More info:
Fuel Injection Technical Library » How To Run a Self-Test

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  #19  
Old 10-28-2014, 11:44 AM
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well i checked for codes, far as i can tell i have a code 33 a code 13. i checked these several times and could swear on the first go around i got a 14 but on the rest of the tries i got the code 13. also at the end i get 3 flashes then nothing else just like its reading code "3".
 
  #20  
Old 10-28-2014, 03:34 PM
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With the 1994 460 E4OD you will have three digit codes and not two. Only 4.9L with a standard transmission had two digit codes in 1994.
 
  #21  
Old 10-28-2014, 05:07 PM
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hmmm. well ill have to check it again. It does have the standard trans though.
 
  #22  
Old 10-29-2014, 11:02 AM
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Ok,so i said the heck with it and just bought a scanner,will probably need it again anyway. Scanned for codes and for the KOEO got a 114 and a 116. For the CM I got 111.
 
  #23  
Old 10-29-2014, 11:51 AM
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Originally Posted by case930diesel
Ok,so i said the heck with it and just bought a scanner,will probably need it again anyway. Scanned for codes and for the KOEO got a 114 and a 116. For the CM I got 111.
Code 114 IAT
116 ECT
Both sensors are out of range.

Code 111 System checks ok.

I don't know if the ECT would keep it from starting but the IAT will definitely keep it from starting.
 
  #24  
Old 10-29-2014, 01:19 PM
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Originally Posted by case930diesel
Ok,so i said the heck with it and just bought a scanner,will probably need it again anyway. Scanned for codes and for the KOEO got a 114 and a 116. For the CM I got 111.
Codes 114 and 116 can be caused by not warming up the engine before running the KOEO tests,
 
  #25  
Old 10-29-2014, 02:58 PM
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so im assuming that the IAT and the ACT are the same sensor? I originally thought that the iat would be in the intake tubes (which im missing,previous owner lost). Upon inspection I see it is on the actual intake. Should I just replace both sensors? I figured it would at least somewhat run with bad sensors.
 
  #26  
Old 10-29-2014, 03:07 PM
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Yes IAT & ACT are the same sensor Ford just changed the name at one point.
IAT: Intake Air Temperature.
ACT: Air Charge Temperature sensor or its signal circuit.
 
  #27  
Old 10-29-2014, 03:09 PM
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Originally Posted by case930diesel
Should I just replace both sensors
ECT & IAT???

As stated the engine may have been cold to throw the ECT code but if the IAT is missing then I would replace it. I think you are saying it is missing.
 
  #28  
Old 10-29-2014, 03:15 PM
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Originally Posted by subford
ECT & IAT???

As stated the engine may have been cold to throw the ECT code but if the IAT is missing then I would replace it. I think you are saying it is missing.


Yes was wondering if I should replace the ect and iat both. No the iat is in the intake I originally thought it was in the intake tubes im missing, but its on the engine. Sorry for the confusion.
 
  #29  
Old 10-29-2014, 03:28 PM
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If you did not adequately warm up the engine before running the KOEO test then you will typically get those errors. Before spending money on parts re-run the KOEO test after warming up the engine for 10-15 minutes. Take a short drive if the ambient temperature is cool.
 
  #30  
Old 10-29-2014, 03:29 PM
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I would not replace them unless they came back with the same code after the engine is warm.

You can test them if you like:
Fuel Injection Technical Library » Engine Coolant Temperature Sensor (ECT)
&
Fuel Injection Technical Library » Air Charge Temperature (ACT)

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