miatawnt2b

I am having a strange hesitation issue and hoping someone can help.


If I am stopping for a red light, coasting to the light, car around 10mph or so light turns green. I ease on the gas to pick up speed, and there is 0 throttle response for about a second. Then it takes off.


I have no hesitation issues from a stop, or from speeds above 10mph, WOT is no problem.


Computer has no codes.


Thoughts?
-J

burgca

Could be pedal position sensor or sprint booster going bad if you have one installed here is a thread from benzworld
http://www.benzworld.org/forums/w208...m-strange.html
Hope this helps

Serndipity

FWIW....while I was covered by the 5 year/50,000 mile MB warranty and scheduled services, I occasionally had the 1 second 0 throttle response when starting after a stop. Dealer asked if I ever braked with my left foot, which I occasionally did, would momentarily confuse the ECU. Nothing done.

Right after the 5 year term expired, with less than 50,000 miles, got a CEL which was due to a MAF fault code. Replaced the MAF, which is an extremely easy DIY and the issue went away.

jonUF02

This scenario might just be normal reaction time for the trans to kick-down properly. It can be pretty sluggish. This is why I always wanted to try the Sprintbooster.

miatawnt2b

I thought I posted the fix, but I must have forgotten. I bought a new MAF and installed it. Hesitation completely gone and the car is much less sluggish in general. I didn't even realize it was sluggish until I replaced the MAF. It's like a different car.
-J

cindyclk

Pedal position sensor is usually the problem....MAF issues are quite common but usually there is hesitation and poor performance across the range.