High EFT1 Temp - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 1 Old 04-28-2010, 02:33 PM Thread Starter
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High EFT1 Temp

I set up my Dashdaq last night to monitor the parameters with limits shown at the bottom of this post:

Tech Support - Firmware Update 2.1.2-1949 / Updating Your DashDAQ

Since they're showing an EFT1 limit of 140 and high warning at 160, I assumed they had it backwards (since the warning can't be above the limit) and set the limit at 160 and warning at 140. But this afternoon, it started going off like crazy whenever I was idling (even for 3 minutes to run in the store and get a drink) or when I slowed down to 35 on the road before my house. It would jump up to 145-150 when I wasn't going highway speed. Is a high warning of 140 not correct, or do I have a problem?

If I have a problem, I can ask them to look at it when it's at the dealer tomorrow to have the gas gauge looked at. I just don't know how to tell them I knew what the engine fuel rail temp was running without telling them I had a daq attached to it and arousing suspicion that I plan to do a dpf delete and tune this weekend.

"Did you see the size of that chicken?!?"

'08 F250 King Ranch: Spartanized! +250HP tune, AFE Stage II Cold Air Intake w/ PG7 Filter. Harley Headlights. Recon Mirror Lights, Tail Lights, and 3rd Brake Light.

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