Unexplained Limp Mode

steve216

Got this problem this week. I first got the service engine soon warning and then was limited to 2500 rpm. I checked fit codes and had p0011 and p0300. I reset them and drove for a mile and they came back. I went for an oil change and reset it again. Now the service engine soon doesn't come back and now I'm limited to 3500 rpm. Still pulling the same codes thought.

AWIZRD

I've been running into this just about everyday now.... Here's the scenario

1. Drive to work in the AM ( about 59 degrees out ) - Car runs great
2. Park car under covered parking for 8-10 hours
3. Start car ( about 55-65 degrees...weird temps in Phoenix lately) - startup is fine.
4. Brief idle
5. Push accelerator pedal and only get about 25% throttle.
6. Mash to floor and leave it there...R's come up but VERY slowly - a couple thousand rpm
7. Shut car off, restart, repeat....
8. Usually about the third or 4th time, she comes alive and voila all is well until the next morning when we proceed with step 1 again

NO CEL, NO CODES, Nissan dealership can't recreate so they can't fix anything

Ideas?

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1967 Mustang (ProStreet BBF, 600+ HP)
2001 Porsche 996TT (Sold)

GuiLLoZ

It takes me about 3 to 4 times to start up to completely erase the limp mode sometimes the code that appears is 10b which is the mafs. It does go on when im driving on a uphill and on a high gear the car is making too much effort for too long without me down shift. About 97% after that the next start up begins on the limp mode. In my opinion it all has to do with the stock tune and how close the parameters of that mode are set. so i just down shift and make the ride more fun anyways ive been 3 months limp mode free

darkphantom

Dang, never thought I would experience it out of nowhere but the dreaded "half-***-limp-mode" has struck me!

I am experiencing ALMOST EXACTLY what you are except it is my first time.

I restarted off the highway, still in limp.

Drove home, restarted, it went away but something felt off. My exhausts seemed a bit more quiet and the tranny was shifting a bit strange, like almost a bit "slushy" feeling.

I went out again tonight, seemed like she had power but still felt a bit off. I will try the stealership tomorrow and see what happens.

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'13 PW M6 | Takeda | ARK GRiP V2 | H&R