No throttle response in 6th gear

[trs6803]

Really hoping this is the fix. I paid more for an almost new car, hoping to prevent this very problem. I will keep the thread up to date as I get new info. Thanks.

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[torque124]

I never knew about such problem, mine is a 16 track pack... it's obviously not going to pull your face in sixth gear, that gear is extremely tall. It felt the same on my previous Shelby the GT500, so I just ignored the feeling.
Good luck ; please let us know if the car feels better after.

 

[TDC]

Crammer I hear ya man. But just spoke to the dealer. They believe it’s a backed out flange nut that monitors something with the transmission. Apparently there is a TSB for it which I’m attaching a screenshot of. They said the part is on back order because it is so new.

This is what was fixed on my car. Sometimes a symptom is the cruise control works intermittently. Mine had that symptom.

 

[mavisky]

This is not a torquey car. I never shift to 6th unless I'm over 75mph. Anything else is 5th gear. This car prefers to be around 3,000 rpm. at 65mph in 6th gear I'd be under 2,000 RPM and the car would hate it. I downshift from 6th fo 5th at around the 70mph mark. Below there I have to be in 5th.

 

[TomcatDriver]

This is not a torquey car. I never shift to 6th unless I'm over 75mph. Anything else is 5th gear. This car prefers to be around 3,000 rpm. at 65mph in 6th gear I'd be under 2,000 RPM and the car would hate it. I downshift from 6th fo 5th at around the 70mph mark. Below there I have to be in 5th.

It's not torquey down low, but it should accelerate in 6th, some. Mine does. If you have the cruise control on steady state at 65 the car is just fine tooling along at 1800 rpm. Yes, if you want to pass you need to downshift, but it should accelerate some in 60th, albeit slowly.

 

[firestarter2]

When my transmission went I lost all acceleration it was very strange. It came back and I could drive home but for that moment it was like the car was dead in the water.

 

[whatjones911]

When I first bought the vehicle, 6th gear was different. I could accelerate with no problem. Now I hit the pedal and the rpms don’t change even if I put it to the floor. It’s very strange. No codes

Flooring it in 6th at highway speeds? Yikes. Don't do that.

 

[mavisky]

It's not torquey down low, but it should accelerate in 6th, some. Mine does. If you have the cruise control on steady state at 65 the car is just fine tooling along at 1800 rpm. Yes, if you want to pass you need to downshift, but it should accelerate some in 60th, albeit slowly.

Just re-read the thread and didn't realize it wasn't accelerating at all. I thought he was just exaggerating. I've heard plenty of people complain that "there's so little torque down low that it just doesn't accelerate" when what they really mean is that it doesn't accelerate the way a 5.0 would.

 

[Spart]

Crammer I hear ya man. But just spoke to the dealer. They believe it’s a backed out flange nut that monitors something with the transmission. Apparently there is a TSB for it which I’m attaching a screenshot of. They said the part is on back order because it is so new.

This kind of makes sense.

From experience, if you change your tire size in FORScan without doing a PCM relearn, you'll run into issues with deadbands in the RPM range in certain gears, and it's down to a signal mismatch like it says in the TSB.

It's a weird feeling, it's as though the car is ignoring the throttle. WOT, doesn't matter, doesn't even change the pitch of the intake/exhaust. Just nothing.

Hope they get you figured out.

 

[Tank]

I recently bought a used 2018 GT350 with 2500 miles on it. 4 days after buying it I switched into 6th gear at around 60-65 mph and had no throttle response. I mash the petal and nothing. I know 6th is a cruising gear but I can’t accelerate at all. 5th gear seems to lack power and the car sounds bogged down. Took it right to a Ford Dealership and they have had it for 3 days with no answers. Has anyone else experienced anything like this? Thanks for any help.

Any update?

 

[trs6803]

No update. The dealership hasn’t got the part in yet. I’ve been driving the car and haven’t had any other issues with it. Same thing in 6th tho.

 

[TDC]

Below is a video and at the 1:44-1:46 mark you could hear the power interruption in 5th gear (it happens right before I let off the gas for the braking zone). Was fixed when the dealer replaced the sensor on the tranny tail shaft under warranty.

 

[trs6803]

The part finally came in and was replaced, with no success. I was able to drive the tech working on it and he agreed there is definitely an issue with 6th gear. Every other gear seems fine. I was at 92 mph, switched from 5th to 6th and slammed the pedal repeatedly. The car had zero response, RPM’s did not budge and the exhaust sounds bogged. He stated that it seems like the car is electronically not allowing it to accelerate in 6th. Still no codes. He checked MY KEY to see if that may be limiting something and the car has 0 MY KEYS. Back to square 1

 

[TDC]

Sorry to hear this. These electronic gremlins are frustrating.

 

[trs6803]

The dealership has had my car for a week and still no fix for the problem with 6th gear. They said sometimes a Ford Engineer will come out, if they can’t figure it out. They have been accommodating with a loaner vehicle and such but, I’m starting to get frustrated. The car has been at the dealer 3-4 times now. Anyone have experience with the lemon law process? I’m not sure how to proceed from here.

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