I am going to have a hard time describing this, so I wouldn't have any idea how to search previous threads. I re-claimed the MB from my wife in January, after she beat on it for a year. I spent 2K on parts, including a third! front valance and fog lights, front section of the unipanel underneath, second mirror adjustment module, seat position regulator, new floor mats, ect.....(sorry fastlane, I wasn't able to log on at the time I purchased
) and I had my service brought up to date by my very competent indy.
For the past two weeks, I have noticed that the car seems to be "hiccuping" every few minutes at idle and underway. For a split second, it seems to stutter (and I do mean for only a portion of a second), and the tach needle barely drops when this happens. It runs as strong as ever, isn't smoking and is getting mileage consitent with past performance.
On full disclosure, I had the oil changed last week, but didn't have time to wait for him to do the fuel filter(s) and brought it home to do this week meself. The car has 110K on the clock and new glow plugs.
The stutter, or hiccup is almost imperceptible, but yesterday I drove 200 mi and I noticed it as I usually drive in silence when on certain missions. Could it be a dirty/clogged injector? Dirty fuel filter (I usually replace when I change the oil, but this one doesn't have more than 15K on it)? Air in a fuel line? (all these replaced recently). I haven't put any additives in the fuel in a while and was thinking of running some power service or diesel purge though it to try and help.
Any suggestions appreciated.
05-14-2008, 01:51 PM
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