Weird little issue with 310?? - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 09-14-2009, 06:57 PM Thread Starter
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Weird little issue with 310??

I have a little issue at idle with the 310/tcm tune. At idle with the a/c on, shortly after the a/c pump kicks in there is a hiccup at idle, like the timing gets jacked for a split second or the rpm's kick up for a split second. It doesn't do it in the ordinary 310 tune or even in the 275/tcm tune and it doesn't do it with the a/c off, wth? Anyone else experience this, thanks, Cole.
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post #2 of 5 Old 09-14-2009, 07:18 PM
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I haven't seen that issue and I have well over 1,000 miles on the production file for the TCM

Jeff Dodd
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2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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post #3 of 5 Old 09-14-2009, 07:52 PM
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I see that with the 275 v3...

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post #4 of 5 Old 09-15-2009, 05:51 AM Thread Starter
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Hey sask08, did they ever figure out what caused it?
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post #5 of 5 Old 09-15-2009, 06:26 PM
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No, just assumed it was the tune trying to adjust for the extra load of the A/C like the old carburated engines did. Thought maybe it was more noticeble because of the aggressive fueling nature of the tune.

2013 F150 SuperCrew Lariat 4x4 6.2L
Flowmaster catback dual exhaust
6" BDS lift w/ 1.5" Daystar leveling kit, 335/65/R18 Nitto Terra Grapplers

2011 F350 King Ranch Dually 4x4 Diesel
8.5 Skyjacker 4 link Lift w/ 2" leveling kit, 40X13.50 Nittos

2010 Shelby GT500 Coupe
Black/grey stripes
2.3L Eaton S/C, JLT CAI, 65mm CJ TB, Injector Dynamics 725s, JBA offroad exhaust, AFCO dual fan H/E
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