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Rough low Idle


ratdude747

Member
Supporting Member
Article Contributor
TRS 20th Anniversary
Joined
Aug 10, 2014
Messages
503
Reaction score
22
Points
18
Age
31
Location
Madison, IN
Vehicle Year
1995
Make / Model
Ford Ranger
Engine Type
4.0 V6
Engine Size
4.0L
Transmission
Automatic
2WD / 4WD
2WD
Tire Size
215/70R15
Fixed!

I ended up grabbing a new IAC (BWD brand) since I was certain that all of my used ones were bad (due to me messing with them while cleaning???) and Motorcraft ones are unobtainum locally. I read that BWD is made by BorgWarner who AFAIK makes good stuff (and I read is the OEM for the mortorcraft ones)... Anyway, installed the new valve, all is good. Warm idle is at 860ish RPM, LTFT's are around 7-8% (probably worn O2 sensors, AFAIK mine are the original ones).

Not sure why I was getting such odd voltage readings... :dunno:
 



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