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Do you know if lund needs to do anything first, like unlock anything?

Ok thanks! do you remember the cost for this? Also do you know if a tuner can "lock" the tune?

Still having a misfire after going from FBO to just headers because I can't get rid of a random misfire. Everything is leading towards the tune being the problem. My car never had a stock tune file, as it was dyno tuned previously-shop went out of buisness... I am now tuned by Lund and cannot...

I feel your pain...2015 gt pp 19,000 miles 2018 i. Imrc locked out Headers Jlt Tune Have a hard stumble at 3500 rpm p0305 p0300 code. Tried compression and leak test. New plugs New injectors Coil swap Tune off and on If I figure anything out ill let you know

Yes the headers didn't come with rear o2 bungs. They are catted headers

I replaced the crank position sensor. Is a crank relearn needed after? Didnt fix the misfire.

Thank you! It sounds like this could be the fix!

Not yet the f150 02 sensors are out of stock currently.

At first it was p0305 pending cylinder 5 misfire. I sawpped the plugs and moved the number 5 coil. Now its back to p 0300 random misfire. I can only trigger the code over 4000 rpm. I will check the wiring/vacuum lines. Thanks

Do you have to pull the intake manifold out to check this?

Ok awesome thanks!

It took a couple weeks before it started. Catted headers. Front 02 extensions. No rear o2s

Ok cool ill try that. Thanks

Hello, 2015 gt pp 17,000 miles. Fbo 18 intake manifold and lu47 injectors running on 93 mpvi2+ with lund tune. After 2 weeks started misfiring and throwing various misfire codes, drives like shit over 4000 rpms. I changed the plugs didnt help. I believe swapping the coils would be next? Any...

Dang good idea. Def worth a shot.

Thanks guys. I kind of figured that. I sure saved a lot of money on this one installing the headers myself. Lol. Headers arent as bad as everyone says.

I used too small of wood while lifting the motor and dented the oil pan. If i monitor sounds/oil pressure will I be ok, or should I replace? In the picture i switched to a larger piece. Thanks

Ok thanks! looks like your install was pretty fun lol, but worth it!

Hi guys, I ordered some catted LTH and I cant find any shops in my area to install. How bad is it on jack stands? Above average mechanical skill I'd say. Also If Im already tuned (custom dyno) Will I need to retune? Thanks!

We all mostly take care of our own yards, grass grows really well from may to October. Its just a middle class neighborhood.