2000 Cadillac DeVille Q&A

2000 Cadillac DeVille Question: Have a 2000 deville that started surging and will not get past 30 mph. Any ideas

Car. Has 225000 miles on it. Has not done this before. I changed the fuel filter and that improved performance a little. -
Answer 1
Sounds like you may have a fuel pump issue. What is the fuel pressure at the fuel rail? I would recommend you have a local shop diagnose the problem. -
Answer 2
poss plugged exhaust system also.have a muffler shop ck complete exh system -