2001 Kia Optima "hesitation letting throttle" Questions

Hesitates upon acceleration & will not maintain a steady speed I have a 2004 Kia Optima LX with about 87,000 miles. When I am driving over 15 mph, my car will hesitate and then will accelerate until I

2001 kia optima hesitates on acceleration gets better when warm, but still does it, has 2.4 engine 3 possible problems your mass are flow meter/senso could be going bad but not bad enough to register ...

hesitating and if i let up on the gas it just dies i have replaced the iac any sugestions? did you clean out the throttle body? a dirty throttle body can cause hesitation and stalling at idle at times

...throttle, hesitation stops, which indicates to me an issue in the throttle system somewhere, maybe a sensor? Have had many mechanics look at but noone has any solutions. when is the last time car had ...

My 2006 corolla is having a hesitate/stall symptom when idling at a redlight or when I let off the accelarator. I have changed spark plugs and coil packs...any ideas? The throttle body probably needs ...

HESITATION PROBLEM!! Well here is whats going on, When I take off, I press on the throttle it sounds like its going to stall. Once going it runs great. But when I am coming to a stop and once i slowly

1993 Chevrolet Lumina APV hesitates and dies when in gear Chevy lumina idles fine,but when you put it in gear, it hesitates when driving, and after a few miles, it shuts off. Sometimes it will start ...

...hesitation when you go to accelerate from an idle. It has a clean air-fiter, new spark plugs, and only has 39,000 miles. What could it be? Throttle body? Vacuum lines? try fuel injectors....run a ...

my 2003 lincoln navigator hesitates when i try to speed up, it shifts ok, but if im going on the highway and i have to let go of the gas and then try to go again, when in start speeding up it starts ...

When I take off in first gear everything is fine until I let off the throttle and then role back onto the throttle it's hesitates then finally catches. Does the same thing in second. Is my trany shot?