acceleration

2011 Buick Regal CXL Turbo exhibiting acceleration issues. Does not appear to be mechanical. Meticulously maintained from day 1 and currently @ 124,135 Oil/filter changed NLT 10,000 w/ Extended Performance Synthetic (20,000) Mobile 1 New spark plugs at 70,000 Transmission fluid...

Good evening all, I am pulling my hair out (what's left of it) trying to figure this out. I have a '92 Roady wagon with the 350 TBI. The problem I'm having is a hesitation (kind of spits and sputters) on acceleration. Here's the really weird part, if the gas cap is on, it runs worse (almost...

Help! Strange thing happened to my vehicle. I left the key in the ignition since Saturday and may have left the radio on and drained the battery (woops!). I jumped it this morning and it started right up. However, when I press the accelerator, it takes a long time to pick up speed . . . . Like 0...

I'm wondering if anybody else has noticed the gas pedal in the 2001 Century is a little stiff and responds heavily to minimal depression of the pedal. I'd like to know if there is a way to alter the sensitivity of the gas pedal, kind of like modifying trigger weight in a handgun. If possible, I...

Hi Buick experts, I now have a 98 Buick Park Ave Ultra with 59K miles. The previous owner didn't use premium gas. I started putting premium gas in it and ran three tanks of fuel with injector cleaner. Acceleration seems sluggish for this engine and I noticed that if I accelerate using cruise...