Po725
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CF Veteran




Joined: Nov 2015
Posts: 2,863
Likes: 201
From: syracuse ny
Year: 1997 230,000 miles
Model: Grand Cherokee (ZJ)
Engine: 4.0, new lifters valve job with new springs and exhaust valves, preload set with shims
Um, I dunno about you folks, but my google ability leads me to believe the PO725 relates to Engine Speed Input Circuit Malfunction. Me think that would be the Vehicle Speed Sensor on the transmission.
Old fart with a wrench
Joined: Nov 2010
Posts: 14,398
Likes: 741
From: Manlius, east of Syracuse, NY
Year: 2000 XJ Sport & WJ Laredo
Model: Grand Cherokee (WJ)
Engine: 4.0L
My FSM doesn't even list a P0725. A P0720 has to do with the transmission input shaft speed being less than 60 rpm with a vehicle speed of 15 mph.


