1999 Buick Regal "car hesitates 40 mph" Questions

...accelerating over 40 mph Engine hesitates and almost misses when accelerating over 40 mph. gas mileage has also tanked. Burn ignition coil get the car pass on a scanner im sure you get a misfire ...

...hesitates at 40-43 mph I have a 2004 hyundai sante fe - when it gets to 40 mph up to 43 44 mph it feels like it is hesitating like if I am driving a stick and dont shift fast enough and now here ...

...40 mph and 60 mph...once I take my foot off accelerator and then reapply foot to accelerator the hesitation stops. Took it to 2 shops and they found nothing wrong, nothing showed on " monitor" and ...

hesitation and bucking around 35 to 4 mph double posted, and now 4 mph, you meant 40 right? you typed the high then low, ?

when accelerated it hesitates Screeches when started and when i accelerate form a stop position it hesitates till u get about 40 mph Change your drive belts and replace the fuel filter, and air filter

...40 and 50 mpg it hesitates. A pop and hesitation is likely a backfire. The hesitation around 40 and 50 would be in keeping with that theory. There are several reasons you might be getting backfires ...

car runs fine until i get to 25 mph then hesitates for a little while and does not catch gear then catches and does not go past 40 mph why I just changed cadilac converter could I have a trany problem

40 and 50 MPH : Chrysler ... repairpal.com > Problems > Chrysler > Town & Country Around 35 mph (common street speeds) the engine will sometimes surge with noticeable tach fluctuations. ... I have

...car hesitates on acceleration. it has 116k miles. replaced tps sensor cleaned MAF sensor replaced 3 of 8 cops @ lincoln service advice. plugs replaced @ 60k miles car still hesitates can u pls help. ...

...40 EGR, EVP error codes from computer. What is the least expensive route to get this car running like it should again? What happens when you unplug and cap the vacuum line at the EGR valve? Does the ...