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Hey Folks! I'm helping a friend diagnose an issue he's seeing on his mustang. He has LTH, and getting poor gas mileage, with trims that exceed +30. The wiring harness to the upstream/downstream 02's appear okay, and the rear 02's are unplugged, and the LTH has a plug where the rear 02's would...

Hey Folks! I've seen posts elsewhere that a dedicated Drag Mode E85R tune exists. I was curious if anyone here runs that tune, and if they know the specifics of what that tune offers. Thanks

I'll PM you

I'm not sure. However, the parts aren't that expensive, and if you have to take the solenoids out, mine as well replace it with a known good part. That way you don't have to take it apart again

You are very welcome! What you're explaining matches my experience as well. The solenoids we're getting stuck, causing -30 or more of timing , randomly at idle. I hope this fixes the issue for you as well. The parts themselves aren't that expensive.

Thanks for taking the time to put this together. Loads of info in both of these threads

Incase someone searches this - it ended up being the Cam Phaser Solenoid. Once i replaced those (I went ahead and just replaced them all with OE Replacements) the stumble is gone. Thanks to those who provided input

Good to know. Thanks for sharing that. Kinda sucks that your dealer wouldn't bother even looking at it without what you described... In the event my dealer tells me the same, anyone have experience changing our the phasers and solenoids?

Yep, new battery and oil and it still occured. You're right

I didn't think it was necessarily. I was thinking that maybe it was exacerbating an underlying issue, but i'm not sure. I've driven it for about a week now with only 1 stumble. Previously, when I was on my tune, it would happen at nearly every stop. Probably just coincidence i guess...

Hello Everyone! Happy Friday!! I've come across an issue with my Mustang (18 GT, PP1 10R80) where it stumbles, sputters, and sometimes stalls at idle. This issue is very noticeable on my Lund 93, FlexFuel, and E85R Tune. NO DTC's, NOT BAD GAS. Car is mostly stock, just a drop in filter, and a...

That's precisely the route i'll be going. Glad to hear you thought it was worth it. Especially with the improved shifting.

Interesting. I told them it's stock, and they didn't indicate that it wasnt worth it. I'm sure its completely subjective, since the gain is relatively small. Like mentioned above, really what i'm looking for is more consistent power, and better shifts. I'm hoping to get at least that.

Yeah i'm not expecting much honestly. Maybe 15-20HP tops. What i'm really looking forward to is more consistent power delivery, and better shifts. It's a little late in the year, so i'll be going E85 next spring. With that said, that's pretty amazing you drove on it for that long and had...

Thanks for your insight man! Any idea how much you gained? I'm sure its not too terribly much, but figured i'd ask. Are the drive modes still available? Or even useful after the tune?

Hey everyone! Car is mostly stock. Just a Drop in and H pipe back exhaust. I'll be switching to E85 later, but curious how much more power should I expect to get tuned on 93? Obviously one benefit is the tune on the A10. Is the driveability decent? Sorry Im sure this is asked a billion...

Hey Everyone! Been a lurker for a bit, and was hoping for some opinions.( 18 GT 401a PP1 10R80) On my way home today, I was coasting in 5th gear (Sport+) and the car suddenly indicates its in 1st gear, engine revs up to 6.5k RPM, then jumps back into 5th with no Driver input. It drove fine on...

I have the exact same issue as you. Mine isn't as severe, but will idle as low as ~400RPM, and shake the car, then jump back up to normal idle speeds.

Hello everyone! Long time Mustang Fan, first time owner. I've usually stuck with the lawn mower crowd in the past. I most recently came from a 2017 Honda Civic Si. Loved the car, but wanted something more. And couldnt be more happy. Picked up a 18 GT Premium PP1, 10 speed with a 3.55 rear...