I have a problem which just started happening out of nowhere. There is no CEL illuminated, but the CEL is operational. Earlier in the week it was running just fine but now all of the sudden, it has developed a rough idle condition accompanied by a chimney-like, sooty smell from the exhaust but there is no smoke. It runs pretty smoothly on the highway with a slight power loss maybe, but once you get into stop and go traffic, it gets very hesitant and skippy- almost stalling. I only use the same two gas stations for all my vehicles- I have no fuel quality related issues with the other cars. Looking for some ideas on what to check first before I go to the shop. I have not done anything tune-up related since owning it for the past year. Thanks for any direction you can point me in.
Mar 23, 2017 at 2:34 PM