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OBD-1 trouble codes

abel8a

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95 ford explorer 4x4
my 95 Ford explorer 4x4 got a code 327-EGR valve pressure transducer position sensor circuit below minimun voltaje and a second one, 332- EGR valve opening not detected, can someone please translate what that means and what I need to replace so it can pass the smog test, thank you.
 
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MrShorty

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92 XLT and '87 Bronco II
A trouble code by itself really does not tell us what part to replace -- it only gives us a good starting point for diagnosis.

I would start by determining if the 327 is a KOEO or CM code (see my notes on pulling EEC-IV codes thread in the EEC-IV subforum if you are not sure how to tell the difference).

Assuming it is a KOEO code, I would then inspect the wiring between the PCM and the DPFE (EGR sensor). If the wiring between the PCM and the DPFE all checks out, then I would replace the DPFE.
 
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abel8a

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95 ford explorer 4x4
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abel8a

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95 ford explorer 4x4
thats what i plan to do, replace the dpfe, will keep you posted. thank you very much, Greetings from Tijuana Baja California, Mexico.
 
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