Car. Has 225000 miles on it. Has not done this before. I changed the fuel filter and that improved performance a little.
Cadillac Q&AAsk Your Question
2000 Cadillac DeVille Question: Have a 2000 deville that started surging and will not get past 30 mph. Any ideas
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 #2Greg's Orange Auto (13943 Answers) , Orange, CA - (714) 361-9386globalhelper December 19, 2013, 05:58Master
poss plugged exhaust system also.have a muffler shop ck complete exh system