1997 - 2003 F-150

1997 4.2 po302

Old Mar 24, 2014 | 06:38 PM
  #1  
blakely123's Avatar
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Code 302 on a 4.2 L - HELP!

I have code po 302 , misfire #2 cylinder. I have replaced plugs, wires and coil. I have testes egr valve ,maf and iac. please help.

help po 302

motor craft, the old plugs and wires looked good. did compression test all are good
 

Last edited by Rockpick; Mar 25, 2014 at 01:25 PM. Reason: Cross Posting
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Old Mar 24, 2014 | 06:44 PM
  #2  
Toyz's Avatar
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From: Beaverton Or.
Compression test would be my next move.


What plug, wires and coil pack did you use?
What did the old plug and wire boot look like?
 
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