Q: Why does my engine shake as I accelerate? on 2000 Buick LeSabre

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
2000 buick lesabre limited and ive had a tune up done, mass sensor, temp sensor, just had a new convertor put on yesterday and it still shakes viciously wen I pull off or excelerate, I can not figure this out. Somebody help me
(3) Answers
(2) Comments
Thts possible cause after I got the convertor put on they said I need a tune up, but I had 1 done last month
Yes, but tht may be because they did not erase the code after the convertor was put on! Could a crankshaft position sensor be a possible reason?