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Greetings Jimmy & Jaison,
Cleaned carbon from EGR valve spacer. Also removed IAC valve, cleaned it, and solenoid was operative. (One needs to use a current limiting 6-12 Volt DC power supply-to assure correct polarity- to check solenoid because of internal protection diode) Still had engine miss when floating 30-60 MPH.
I still need to change the PCV valve.
Also, are there any passages that would need to be cleaned Under the UPPER MANIFOLD COVER??? This is the plate with the FORD emblem & 5.0 LITERS EFI letters....held on with four(4) torx screws.
Still trying. Thanks for all your suggestions.
Art Gladfelter
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