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.

Have codes?

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Old Apr 16, 2009 | 04:41 PM
  #1  
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droptop302
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Default Have codes?

Looked them up on All Data can you tell me what would be causing the problem I posted in this thread. https://mustangforums.com/forum/5-0l...-run-cold.html

34
67
85
94
44 (I know some are for the EVAP) Thanks droptop302
Old Apr 16, 2009 | 06:37 PM
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??????
Old Apr 17, 2009 | 04:50 PM
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MJR please....
Old Apr 17, 2009 | 06:57 PM
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34- PFE or EVP circuit has intermittently failed above the closed limit of 0.67 volts.
44- Thermactor Air Injection system inoperative (Right side).
67- Neutral safety circuit failure. OR A/C circuit was on during KOER Self-Test.
85- Canister Purge Solenoid circuit failure.
94- Converter clutch solenoid circuit failure (E4OD). OR Thermactor Air Injection system inoperative (left side).

44 and 94 are probably clogged ports on the firewall sides of your heads where it bolts to the egr tube.
Old Apr 17, 2009 | 07:36 PM
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Dont mean to jack the thread, where is there a list of all the codes and their meanings?
Old Apr 17, 2009 | 09:27 PM
  #6  
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http://www.fordfuelinjection.com/?p=14 the three digit codes are on the right also
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