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I ran the codes because of the slight power loss & warmer EGT's when towing. Fixed a boost leak from a leaking boot. Then the temps were still higher than normal after that.

I've read that & I've also read not much of a difference besides power loss sometimes. Something is definitely cycling. Rev to about 2000 RPMs & it will drop to 1800-1900 Rpm then come back to 2000? Hooking it to a Ford computer Saturday hopefully. Just trying to see if I can sleep a lil better...

Has anyone cracked an HD piston? Got a P0266 code. Motor has about 20k miles on it & is from Midwest Diesel. Has been fantastic since getting it. Injectors have maybe 30k on them. Running 71/59's all ******s & GH street tuning & studded. Truck is used to pull 15k lbs most weekends thru the...

Can someone give me the part # for just a replacement air filter?

Can someone give me just the idler pulley part#

Track bar is shot, plan on changing it this week end.

I'm in Ohio. I know warmer air brings hotter EGT's by noticable amount. Morning temps where its 40 degrees compared to evening temps close to 80 are very marginal. Its building good boost, hit 46 yesterday. Dont think its a leak there. Will check EBP sensor, it has given me fits before. Its hard...

Thats what I'm trying to figure out, everything on my truck is new except the LPFP. Just started getting some EGT temps that have been higher than what they had been since getting the truck backabot 10 months ago. MIne at 70 cruise are still in the high 5's low 600's when flat. 71/59's.

Is that typical for your set-up, or have they increased?

Are your EGTs a lil higher than normal when driving, cruising?

Engine & everything from turbos, injectors, HPFP & in between has no more than 15k miles on them, besides the LPFP (has 120K). I have 71/59 turbos & all deletes. running Gearhead street. In the past couple weeks my EGTS have went from never really going over mid 600's gradually getting on the...

The tunes I got from you are a couple years old, has there been any updating since then?

I'll give em till Monday before I call again. Tree Trimmer, mine only does it while towing tho, which is odd.

Looked up code on the back of the fuse panel, it doesn't work. Only option now is ford?

Called & left a message yesterday, called again today. Still can't get ahold of anyone.

Sent Matt an email on 9/11 & havent gotten a response. Should I just call them? I read that after upgrading turbos 59/71 that I should get some different tuning from stock turbo tunes. I'm also getting what I think is rail pressure surge around 50-60mph when towing. The #'s hop & down around...

Yes thanx guys....

Since buying my original tunes from Gearhead I've upgraded turbos to a set of 71/59's. Should I have you guys rewrite some new tunes, Any benefits from it?

Pigtail to the EBP sensor had a broken wire inside the insulation. Good to go!

I gave up, took it to my mechanic.....