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E36 General discussion and technical help for (E36) 1992-1999 3 series cars. 318, 323, 325, 328.

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Old 11-02-2010, 01:52 PM   #1
tauki

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flactuate

Hi everybody,I have these hesitation problem.I've checked vacuum leak & it's ok.I've changed MAF but stil.can anybody help me.
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Old 11-05-2010, 12:42 PM   #2
Big Evil
 
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If there's no vac issue or air leaks I'd be moving on to fuel filter followed by fuel pressure if the filter doesn't take care of it.
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Old 11-06-2010, 02:28 AM   #3
tauki

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thanx man,I've changed fuel filter,chacked pressure.but stil
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Old 11-12-2010, 10:32 AM   #4
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Then there's something that got missed. Did you smoke the vac system to test it? How about checking/cleaning the ICV? Does it have a check engine light or any codes (maybe an o2 sensor is getting weak).
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Old 11-14-2010, 10:15 AM   #5
tauki

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thanx man,I put the car on diog machine.it shows 2 foult 1to3 o2 sensor & maf sensor.so which 1 is probably a calprit?
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Old 11-19-2010, 01:34 PM   #6
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Could go either way since they both have to do with air/fuel mix. If you've never done an O2 I'd start there and see what happens. They do wear out and BMW recommends replacing them as a part of normal service
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