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Message: <blockquote data-quote="Frank's Micra" data-source="post: 793175" data-attributes="member: 36226">Hi, everyone!I am at my wit's end...My K11 16v 998cc 1999 MY Micra (50k miles), 5-speed,  has an ongoing issue, which is starting to be a real pain..Symptoms: starts on the button, runs, but develops lumpy running....when driving, acceleration can feel as though the timing is wrong, almost as if something is holding the car back...occasionally, when it "recovers" it is smoothe and pulls as it should..on idle also occasionally lumpy, as if running on 3 cylinders..revving the engine can sound "woolly", rather than a nice clean "crack" to the engine note.  I used to have similar problems with my old aircooled VW van..there it is was a combination of bad timing and "carb-icing" ....It is particularly noticable when pulling away from a roundabout in 3rd gear, where it should slowly pick up speed, but seems to just hold back.Already done:new lambda sensor, new complete distributor with cap, new plugs, new leads, new throttle body with all associated parts..timing checked.....Also had local garage(s) including Bosch check and try to find the probelm, everything from OBD (no faults) to fuel pressure checks, etc., etc...it hasn't changed anything..it still has the same problems...Running out of ideas... :-(Any further info and advice greatly appreciated..Thank you.</blockquote>