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327 Code KOEO...

MrShorty

Explorer Addict
Joined
December 27, 2001
Messages
5,078
Reaction score
16
City, State
Spanish Fork, UT
Year, Model & Trim Level
92 XLT and '87 Bronco II
If the 5V reference voltage isn't reaching the DPFE, then the next step would be to work your way towards the PCM along that circuit until you find where the break is in the Vref circuit.
 
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