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Old Jun 15, 2003 | 08:22 PM
  #1  
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skidj0003
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From: Harlan, KY
Computer code

I have been troubleshooting an erratic rough running condition. I retrieved a 15 code on a KOEO test. The code reader manual refered to this as a memory problem. The truck is an 1989 F-150 with the I-6. Does this indicate a bad computer processor and should I replace it? Can it be some other problem? Any comments will be appreciated.
 
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Old Jun 19, 2003 | 10:21 AM
  #2  
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steve83
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From: Memphis, TN
Computer code

No, the EEC isn't bad. Get a Haynes manual (it shows how to test each sensor) and look up your codes on my list.
 
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Old Jun 20, 2003 | 10:25 AM
  #3  
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skidj0003
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From: Harlan, KY
Computer code

I purchased the Haynes manual. I retrieved codes using a voltmeter and jumper. I got code 15 again and 67 from KOEO. The 67 code may be from when the AC was repaired last summer. I have been studying the proceedure for testing sensors and plan to attempt this soon.
 
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Old Jun 20, 2003 | 10:37 PM
  #4  
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steve83
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From: Memphis, TN
Computer code

You don't even need a meter to get codes. If you read this thread, you'll see that the engine light flashes the codes out.
 
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