High RPM

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Mar 24, 2012 | 09:36 AM

Canadian F250 Diesel

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High RPM

So I have a 2007 F250 6.0L with high RPM's. I 've noticed that on the highway at say 120(65mph) the RPM is at 2100 or so, I'm sure it use to be at around 1700. So MPG is down

, the trans seems to shift fine, any ideas what would cause this. Thanks

Mar 24, 2012 | 09:43 AM

Parts Jimmy

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Quote:

Originally Posted by Canadian F250 Diesel

So I have a 2007 F250 6.0L with high RPM's. I 've noticed that on the highway at say 120(65mph) the RPM is at 2100 or so, I'm sure it use to be at around 1700. So MPG is down

, the trans seems to shift fine, any ideas what would cause this. Thanks

Is it shifting to 5th gear? Is the converter locking up? Any DTC codes?

Mar 24, 2012 | 09:56 AM

Canadian F250 Diesel

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I took it to Ford dealer and they told me no codes, I think it shifting to 5th, I should go out and check to see if the rpms go up or down with the button off.