86 325es oscillation problems - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

 
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#1 (permalink) Old 12-04-2005, 10:44 PM
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86 325es oscillation problems

I need desperate help. I have a 86 325es and it likes to oscillate at 1200 rpm's. If I hold my foot on the gas the engine oscillates from 2500 rpm's to 1000 rpm's. If I drive it the engine will not let me drive it over 12-1500 rpm's. If I let the engine warm up for a little bit than shut it off. Start it right back up again than I can drive normal for about 10 seconds than the problem re appears.

Things replaced
-intake manifold gasket
-air flow meter/sensor
-ecu
-both fuel pumps
-idle control relay
-o2 sensor
-pulled all my fuel lines off and blew air through them to clean them
-fuel filter
-checked all relay's ( I think)
-swapped speed sensor and reference sensor
-Mr. Bentley won't give me any ideas either.
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#2 (permalink) Old 12-07-2005, 10:06 PM
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Do you have any DTCs? Are you running rich/lean?
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