1997 buick regal 3.8 missing
tune up time,complete.
Could be a number of things... your TPS is a big suspect, and you can check or just replace that depending on age and mileage. The EGR is possible, and the MAF sensor. At least clean and look over both of these. Any of these could be an issue with acceleration, but also the torque converter could be suspect if it has issues. This gets expensive, and could also be another problem within the transaxle. However, if you check all of these and also your fuel filter (that is a natural) and you are getting good mileage, suspect your spark plugs no matter what the mileage is. One plug can misfire and give this problem (or even a plug wire), so while it's a lot to consider, there are many problems you can have and sometimes a combination of a few of these!
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