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Car Forum / BMW Cars / February 2005Hesitation
I have a 2000 - 323i with about 63,000 clicks When I aggressively step it down from a stop or traveling under 35mph or so, I get a slight hesitation then service engine light comes on and runs very rough. When I stop and restart the car problem is gone, till the next time a step it down again. Anybody have any ideas before I take it to the stealer ? TJB >I have a 2000 - 323i with about 63,000 clicks > When I aggressively step it down from a stop or traveling under 35mph or [quoted text clipped - 6 lines] > > TJB You'll need to get the code read to be sure. If I had to guess, either the cam position sensor or crank position sensor. My 740iL had similar symptoms with the cam position sensor. Easy DIY fix. Kyle. 98 740iL 97 M3 How or What do I need to do to read the code ? > >I have a 2000 - 323i with about 63,000 clicks > > When I aggressively step it down from a stop or traveling under 35mph or [quoted text clipped - 14 lines] > 98 740iL > 97 M3 > How or What do I need to do to read the code ? > [quoted text clipped - 22 lines] >> 98 740iL >> 97 M3 You can go to Autozone, they'll read it for free. Otherwise Peake Research (www.peakeresearch.com) makes a very good one that's easy to use and can reset the oil service and inspection countdown. Kyle. 98 740iL 97 M3 Code Reads "misfire detected on cylinder #5" any DIY suggestions ? > > How or What do I need to do to read the code ? > > [quoted text clipped - 30 lines] > 98 740iL > 97 M3 > Code Reads "misfire detected on cylinder #5" any DIY suggestions ? > [quoted text clipped - 37 lines] >> 98 740iL >> 97 M3 Pull the plug on #5 and check its condition. This site, http://www.spark-plugs.co.uk/pages/technical/diagnosis.htm will give you an idea of what to look for. Also check the voltage on the coil for that cylinder. Its unlikely the coil would be bad at this mileage, but the plugs could certainly be shot. Kyle. 98 740iL 97 M3 > Code Reads "misfire detected on cylinder #5" any DIY suggestions ? Open up the valve cover and pull off the coil for #5 plug. Bet there is oil in the spark plug well. Means you need a new valve cover gasket, and probably a new coil for #5. The oil has likely shorted out the coil. let us know Frank When you pull the plug in #5 you may discover that it's fouled. However, that may not be the end of your problem. I would also check the O2 sensor and the catalytic converter. > I have a 2000 - 323i with about 63,000 clicks > When I aggressively step it down from a stop or traveling under 35mph or so, > I get a slight hesitation then service engine light comes on and runs very > rough. When I stop and restart the car problem is gone, till the next time a > step it down again. Anybody have any ideas before I take it to the stealer ? BTW; for those who have similar symptoms without engine light coming on: I noticed some similar hesitation w/ my '00 323iTA few years ago when the car was couple of years old. I took it to dealer, and they said this was a known problem that could be fixed with reprogramming ECU. They even had a name for that, 'stop light hesitation'. I had mine reprogrammed under the warranty and that fixed the problem. The tech said they have been instructed to reprogram all E46 & E39 cars with M52TU engine (320 (two liter), 323, 328, 520 (two liter), 523, 528) if customer complains hesitation. BR:Z |
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