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Old Sep 3, 2009 | 09:34 PM
  #1  
97-7.3's Avatar
97-7.3
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Check Engine Light

I have a 79 f250 7.3 The check engine light was on and off a couple of times yesterday andwhen on the truck idled rough.

Today it is staying on and occasional rough idle and later the transmission shifted hard in every gear.

I would very much appreciate any help with this issue.
 
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Old Sep 4, 2009 | 08:12 PM
  #2  
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RÖENTGEEP
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From: Celaya, Gto. MX
Club FTE Silver Member

Originally Posted by 97-7.3
I have a 79 f250 7.3 The check engine light was on and off a couple of times yesterday andwhen on the truck idled rough.

Today it is staying on and occasional rough idle and later the transmission shifted hard in every gear.

I would very much appreciate any help with this issue.
I think you have a typo when you said 79, because your sig. says 97, right?
I suggest you put a scanner in your truck and get codes.
 
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