SCT Tune Issues - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 01-02-2011, 08:23 AM Thread Starter
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SCT Tune Issues

I had some issues with two of the three tunes: the economy, Ran nice and smooth, but when climbing a steep hill at hwy speeds in overdrive (no load or tralier), it started pulsing about every 2 seconds, power, no power, as if it wasnt getting enough fuel, and I know its not fuel filters, or a weak fuel regulator spring (been replaced). I believe the original purchaser of the SCT and tunes had the same issue. I'm sure this tune will not work for me since I tow my horse trailer 75% of the time.

This cold mornin, I went to the tow tune, and started the truck after loading, and it seemed to be over fueling, way too much blue smoke, and it wasnt hitting on all cylinders. I didnt try this tune more than 3 minutes.

Then went to the street tune, Lots of pickup, havent noticed any issues, but I did noticed the EGT make it to 1000* when flooring the pedal. I'm suspecting this is normal.

I wonder what could be wrong with the first two tunes, The original owner had the same strategy as mine, Have any Ideas?

2006 F-250 XLT, SCT x3, Insight CTS w/EGT, OEM down pipe-4" exhuast, Flo-Pro 4" performance muffler, Diesel Site Coolant filter, Final Charge ELC coolant. Update Fuel regulator spring, B&W Turnover Gooseneck hitch. Ranch Hand Front Bumper/brushguard.

98 Dodge/cummins 12 valve, 06 Jeep Liberty Diesel

Last edited by Horsestrokin; 01-02-2011 at 08:54 AM.
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post #2 of 2 Old 01-02-2011, 09:44 AM
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Originally Posted by Horsestrokin View Post

I wonder what could be wrong with the first two tunes, The original owner had the same strategy as mine, Have any Ideas?

If you are having the same issues as the original owner did, the tunes may be corrupted. IMO, it would be best if you get yourself new tunes.

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