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'93 Lincoln CEL

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Old Jan 2, 2012 | 07:15 PM
  #1  
MikeB 88's Avatar
MikeB 88
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Fleet Mechanic
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'93 Lincoln CEL

CEL comes on after the engine is warmed up and around the 35mph area it runs rough. Anything above or below that it runs smooth. My hand held scanner (have to count the beeps) is showing 336 and 332.

My book shows:
332 is EGR insufficient flow
336 is Pressure Feedback EGR (PFE) sensor or EGR Pressure Transducer (EPT)-signal voltage higher than expected.

Should I look at the EGR valve, the DPFE sensor, or both.

Car has the 4.6L and 241,500 miles on it.

Thanks for any help,
(I'm not getting much help from the Lincoln forum)
 
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Old Jan 2, 2012 | 09:12 PM
  #2  
Ford_Six's Avatar
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Sounds like either the EGR isn't opening, or the passage is plugged.
 
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Old Jan 2, 2012 | 09:44 PM
  #3  
MikeB 88's Avatar
MikeB 88
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Thanks,
I may try to get to the valve tomorrow. It's going to be a big pain. Can barely see the hardware that holds it on.
 
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