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7102 for 2003 Excursion Gas 5.4L

Discuss Predator 2 for Ford

Moderator: sohfast94

Post Tue Jun 18, 2019 11:49 am

Posts: 1
Hello,

I am having trouble with my speedometer readings. I have a 2003 Ford Excursion 2WD 5.4L. When I bought this Excursion the speedometer was off by about 5mph at 60mph (actual speed 65mph). I have verified my speed through a speedometer app I downloaded to my phone and also on my Garmin GPS unit. I have 35" tires and a 4.10 rear axle ratio. I have put these settings into the P2 tuner and my speedometer is still off by the same amount. There is no noticeable change. Is there something I'm missing or does this function not work properly on my vehicle? Any help or input would be appreciated. Thanks.

Post Wed Jun 19, 2019 10:53 am

Posts: 56543
Location: DiabloSport World Headquarters

Can you provide the device serial number for me?


Thanks
Mike Litsch
Powerteq Customer Service Manager
Diablo Tech support by phone:
561-908-0040x4
M-F 8:00 AM to 5:00 PM EST


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