Some sort of throttle problem

wrathchild · Apr 18, 2011

Mods are in the sig.

The issue is this.

Car runs great. Way better than my fox body did with h/c/i.

What i finding is that when i am allowing the car to slow down with the engine braking and i attempt to rev match to down shift, it seems as though the motored is labored or choking and then revving to down shift. I have no CEL's

Does anyone understand what I am trying to say? Anyone experience this or is this just something that the coyote engines do?

Thanks in advance.

Az Pete · Apr 18, 2011

I have no major problems doing the same thing. At first, I found I was a bit late on the reving of the engine.....changed my timing of the feet and much better now.

wrathchild · Apr 18, 2011

definitely not my timing. If I am lightly on the gas and then blip the throttle to downshift it is fine. Its like I stated above when it is slowing down by engine.

redcandystang5.0 · Apr 19, 2011

This fly by wire thing does have a different feel to it. It is hard to match the speed on a downshift. But I dont practice at it. That might help.

wrathchild · Apr 19, 2011

I am sure its not me or the way I shift.

My wife, who is not knowledgeable with cars in the least, even noticed and asked "is something wrong with the car?"

I hear alot of air rushing through the cai when I give it a fair amount of throttle. Is that normal on the newer stangs? If its not normal, maybe I should start there.

FordCustSrvc · Apr 20, 2011

wrathchild said:
Mods are in the sig.

The issue is this.

Car runs great. Way better than my fox body did with h/c/i.

What i finding is that when i am allowing the car to slow down with the engine braking and i attempt to rev match to down shift, it seems as though the motored is labored or choking and then revving to down shift. I have no CEL's

Does anyone understand what I am trying to say? Anyone experience this or is this just something that the coyote engines do?

Thanks in advance.

Hello wrathchild,

Have you been able to bring it in to your Ford dealer for diagnosis? If not, I recommend you make an appointment and then message me so I can look into it further and maybe escalate this. Please message me with your VIN, dealer, mileage, and contact info.

Deysha
Ford Customer Service Division

wrathchild · Apr 20, 2011

Thanks Deysha.

Ill do that. Ill get the Vin here later tonight.

FordCustSrvc · Apr 21, 2011

wrathchild said:
Thanks Deysha.

Ill do that. Ill get the Vin here later tonight.

Thanks wrathchild, I'll keep an eye out for your PM.

Deysha

642mx · Apr 21, 2011

I'm just super impressed that a rep from the manufacturer watches and responds to these forums!!

Awesome job Deysha & Ford!

SteedaGT9150 · Apr 21, 2011

wrathchild said:
I hear alot of air rushing through the cai when I give it a fair amount of throttle. Is that normal on the newer stangs? If its not normal, maybe I should start there.

There is a tube that runs from your intake to inside the cabin of the car. That is what your hearing.

wrathchild · Apr 22, 2011

SteedaGT9150 said:
There is a tube that runs from your intake to inside the cabin of the car. That is what your hearing.

Removed this when i put the intake in. Capped it off at the CAI and at the firewall.

FordCustSrvc · Apr 27, 2011

642mx said:
I'm just super impressed that a rep from the manufacturer watches and responds to these forums!!

Awesome job Deysha & Ford!

Thank you 642mx

Deysha

FastRedPonyCar · May 4, 2011

pro tip: don't roll up into the dealer with the bama tune. I'm sure you know that already but a few guys have made this mistake and paid the price.

have you tried flashing it back to stock and seeing if it still has this problem?

Some sort of throttle problem

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