327 - EVP or DPFE circuit below minimum voltage

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08-15-2002, 08:39 PM

tapenick

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327 - EVP or DPFE circuit below minimum voltage

90 model / 351

Getting -

327 - EVP or DPFE circuit below minimum voltage

in the KOEO test.

The EGR valve, position sensor, solenoid, and vacuum lines have all
been replaced. Any ideas?

Tom

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08-15-2002, 08:42 PM

94van

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327 - EVP or DPFE circuit below minimum voltage

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08-15-2002, 09:09 PM

Lightning2Fast

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327 - EVP or DPFE circuit below minimum voltage

check the egr tube for cracks. it will cause a lack of egr flow. sometimes the cracks are very hard to see like hairlines. youll see a little black sut around them.

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