Speedo reads half - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 02-05-2010, 05:17 PM Thread Starter
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Speedo reads half

So...ah yeah, just like the title says, my speedometer and odometer are now reading half of what they should. Happened today while I was driving home... was reading fine on the highway (70 MPH). Then when I got off, I noticed that it was reading 20 MPH when I was doing 40 MPH (verified on GPS). Got back on the highway, and it's still reading half. Clocked some distance using mile markers and GPS.... odometer is also reading half. Any ideas as to what it could be?

2000/2006ish Ford F-250 Larryette 7.3 Powerstroke 4x4
5" Sewer Pipe Exhaust (video clip), DIY 6637 Intake, Wicked Wheel'd, De-foiled, Missing EBPV, Edge Juice with Attitude, Few leaves added here and there, 35" BFGs, 16x10 Eagle Alloys, Alpine W200

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