CEL on - then off - weird one
09-13-2014, 03:01 PM
#1
Member
Thread Starter
CEL on - then off - weird one
2006 e3504m, approx 95k mi on the odo. On two separate occassions over the past 3 days, upon brisk acceleration from stand-still, CEL illuminates and car starts running very rough. Still runs, feels like it's missing on a cylinder. Yeah, I know ... it's an M272 engine (balance shaft) ... but here's the weird part. At the next stop light or stop sign, I just shut the car down, and restart, and the CEL is no longer on and car runs perfectly. I have an OBD scan tool, and it's not even picking up a stored code. ????? I'm thinking, maybe one of the coil packs is starting to go and is acting up? But wouldn't that (misfire) store a code? Any ideas anyone? Hate to take it into the dealer cuz you just KNOW they're gonna want to do the balance shaft!!! Pretty certain though, that the CEL + codes for that are permanent once they show up, so I don't think that's what I'm up against. Thanks for anything, all.
09-15-2014, 08:34 AM
#2
Out Of Control!!
My guess it that all the beer bottles rolling around in the trunk has created an "ultra static generation field" and that field has engulfed your car---Two or three things have been reported to happen next next---you will be required to get a 30 day subscription of Viagra---Two, your sole mate will start drinking much more beer to replace the broken bottles in the trunk--Three--you may need a new rear seat!!
09-15-2014, 10:04 AM
#4
Out Of Control!!
09-15-2014, 10:46 AM
#5
Out Of Control!!
Just finding an indy MB shop is not the issue. The issue is after finding a so called MB shop and you ask them if they have factory or equal diagnostic equipment---and their response is delayed or they can't tell you what diagnostic equipment they do have ---run away because you will not be pleased with the results.
If in fact you do have the "shaft" issue, well you will really be shafted at a so called indy!!
If in fact you do have the "shaft" issue, well you will really be shafted at a so called indy!!
09-15-2014, 10:57 AM
#6
Out Of Control!!
Just finding an indy MB shop is not the issue. The issue is after finding a so called MB shop and you ask them if they have factory or equal diagnostic equipment---and their response is delayed or they can't tell you what diagnostic equipment they do have ---run away because you will not be pleased with the results.
If in fact you do have the "shaft" issue, well you will really be shafted at a so called indy!!
If in fact you do have the "shaft" issue, well you will really be shafted at a so called indy!!
I said "good"!
Do you know of a "Good" indy MB shop that does not have the diagnostic equipment?
09-17-2014, 01:51 PM
#7
Member
Thread Starter
CEL came back on.... stayed on this time. Codes were P0355 and P0300. Bad ignition coil on cylinder 5 apparently. I'd like to thank Plutoe for his input. Huge help.
